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Richetite

A valid IMA mineral species - grandfathered

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Photos of Richetite (7)

Richetite Gallery Search Photos of Richetite

Edit Add Synonym Edit CIF structures Clear Cache

Richetite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Richetite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Richetite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Richetite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Richetite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Richetite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Richetite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Richetite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

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About RichetiteHide

Formula:

(Fe³⁺,Mg)Pb_8.6(UO₂)₃₆O₃₆(OH)₂₄ · 41H₂O

The correct formula (the structural one, simplified) is (Fe,Mg)_0.5Pb_4.5(U⁵⁺(UO₂)₁₇O₁₈(OH)₁₄](H₂O)_~19.5 (Plášil, 2017).

Colour:

Coffee-brown to black, green

Lustre:

Adamantine

Hardness:

3½

Specific Gravity:

6.194 (Calculated)

Crystal System:

Triclinic

Name:

Named after Emile Richet (born in Lessines, Belgium on 16 April 1884, died in Brussels on 25 May 1938), Chief Geologist, Union Miniere du Haut-Katanga.

Type Locality:

ⓘ Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Richetite is one of three minerals with pentavalent uranium, the other two being wyartite and shinkolobweite (Plášil, 2017).

Unique IdentifiersHide

Mindat ID:

3415

Long-form identifier:

mindat:1:1:3415:5

GUID
(UUID V4):

f091632c-46c8-4b66-bc64-c71c66b883e6

IMA Classification of RichetiteHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

IMA Formula:

(Fe³⁺,Mg)_xPb²⁺_8.6(UO₂)₃₆O₃₆(OH)₂₄ · 41H₂O

First published:

1947

Type description reference:

Vaes, J.F. (1947) Six nouveaux minéraux d'urane provenant de Shinkolobwe (Katanga). Annales de la Société Géologique de Belgique: 70: B212-B225.

Classification of RichetiteHide

Strunz-mindat (2023):

4.GB.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
G : Uranyl Hydroxides
B : With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO₂(O,OH)₅ pentagonal polyhedra

Dana 8th ed.:

5.9.5.1

5 : OXIDES CONTAINING URANIUM OR THORIUM
9 : Miscellaneous

Hey's CIM Ref.:

7.16.25

7 : Oxides and Hydroxides
16 : Oxides of U

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Rht	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of RichetiteHide

Lustre:

Adamantine

Transparency:

Translucent

Colour:

Coffee-brown to black, green

Hardness:

3½ on Mohs scale

Hardness:

VHN₁₀₀=113 - Vickers

Cleavage:

Perfect
{001}. A second cleavage perpendicular to the first.

Density:

6.194 g/cm³ (Calculated)

Optical Data of RichetiteHide

Type:

Biaxial (-)

RI values:

n_α = 1.900 n_β = 2.000 n_γ = 2.000

2V:

Measured: Very large°

Max Birefringence:

δ = 0.100

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Very High

Dispersion:

Dispersion not observed.

Optical Extinction:

X = c*; Y ∧ [110] = 85°; Z ∧ [110] = 5°.

Comments:

X = pale brown to colorless; Y = Z = dull brown.

Comments:

α = ~1.9, β = ~2.0, γ = ~2.0.

Chemistry of RichetiteHide

Mindat Formula:

(Fe³⁺,Mg)Pb_8.6(UO₂)₃₆O₃₆(OH)₂₄ · 41H₂O

The correct formula (the structural one, simplified) is (Fe,Mg)_0.5Pb_4.5(U⁵⁺(UO₂)₁₇O₁₈(OH)₁₄](H₂O)_~19.5 (Plášil, 2017).

Elements listed:

Fe, H, Mg, O, Pb, U - search for minerals with similar chemistry

Crystallography of RichetiteHide

Crystal System:

Triclinic

Class (H-M):

1 - Pinacoidal

Space Group:

Cell Parameters:

a = 20.81 Å, b = 12.06 Å, c = 16.3 Å
α = 103.8°, β = 115.1°, γ = 90.4°

Ratio:

a:b:c = 1.726 : 1 : 1.352

Unit Cell V:

3,570.24 Å³ (Calculated from Unit Cell)

Morphology:

Platy crystals, flattened on {001} and showing {010}, {110}, and {110}.

Twinning:

Common. On a plane in the [001] zone, producing pseudohexagonal crystals.

Crystal StructureHide

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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

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CIF File Best | x | y | z | a | b | c

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0005540	Richetite	Burns P C (1998) The structure of richetite, a rare lead uranyl oxide hydrate The Canadian Mineralogist 36 187-199		1998		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Richetite'
loop_
_publ_author_name
'Burns P C'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 36 
_journal_year 1998
_journal_page_first 187
_journal_page_last 199
_publ_section_title
;
 The structure of richetite, a rare lead uranyl oxide hydrate
;
_database_code_amcsd 0005540
_chemical_formula_sum 'U36 Pb8.74 Fe.47 Mg.83 O173 H106'
_cell_length_a 20.9391
_cell_length_b 12.1000
_cell_length_c 16.3450
_cell_angle_alpha 103.87
_cell_angle_beta 115.37
_cell_angle_gamma 90.27
_cell_volume 3605.394
_exptl_crystal_density_diffrn      6.126
_symmetry_space_group_name_H-M 'P 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
U(1)   0.10290   0.93830   0.25740   1.00000   0.01900
U(2)   0.27460   0.43740   0.28240   1.00000   0.01980
U(3)   0.44490   0.56880   0.28160   1.00000   0.00970
U(4)  -0.05990   0.43830   0.26530   1.00000   0.01580
U(5)  -0.23350   0.57810   0.26660   1.00000   0.02130
U(6)   0.10370   0.55180   0.25420   1.00000   0.02170
U(7)   0.25420   0.75540   0.27270   1.00000   0.00900
U(8)   0.59540   0.76290   0.28480   1.00000   0.01770
U(9)   0.43840  -0.05890   0.26650   1.00000   0.01620
U(10)   0.40540   0.24430   0.24650   1.00000   0.01720
U(11)  -0.09310   0.74560   0.24930   1.00000   0.01460
U(12)  -0.23160   0.93060   0.27280   1.00000   0.01770
U(13)   0.09760   0.25790   0.28410   1.00000   0.01760
U(14)   0.60380   0.43890   0.25600   1.00000   0.01840
U(15)   0.26410   0.07720   0.26610   1.00000   0.02080
U(16)  -0.24820   0.25200   0.26630   1.00000   0.00730
U(17)   0.59980   0.05020   0.24570   1.00000   0.01670
U(18)  -0.05900   0.06780   0.27690   1.00000   0.00990
U(19)   0.44070   0.24690   0.75560   1.00000   0.03330
U(20)   0.75490   0.92970   0.75030   1.00000   0.02180
U(21)   0.92670   0.07460   0.75650   1.00000   0.01480
U(22)   0.29030   0.75690   0.78620   1.00000   0.01850
U(23)   0.09500   0.94940   0.78330   1.00000   0.01710
U(24)   0.42670  -0.08610   0.75550   1.00000   0.01320
U(25)   0.59950   0.74870   0.75000   1.00000   0.01260
U(26)   0.10060   0.24300   0.74940   1.00000   0.01310
U(27)   0.78980   0.25700   0.78520   1.00000   0.01920
U(28)   0.26310   0.06600   0.76730   1.00000   0.01710
U(29)   0.94300   0.75010   0.76430   1.00000   0.03450
U(30)   0.09400   0.56570   0.77650   1.00000   0.02470
U(31)   0.59170   0.44720   0.77620   1.00000   0.01220
U(32)   0.59550   0.06580   0.77430   1.00000   0.02250
U(33)   0.42130   0.56900   0.74600   1.00000   0.01190
U(34)   0.25070   0.42870   0.74500   1.00000   0.02160
U(35)   0.92420   0.41320   0.75370   1.00000   0.01220
U(36)   0.76130   0.56950   0.76700   1.00000   0.01500
Pb(1)  -0.03030   0.66970   0.51880   0.94000   0.03410
Pb(2)   0.07440   0.96960   0.52180   0.71000   0.02640
Pb(3)   0.46360   0.52370   0.54530   0.62000   0.02190
Pb(4)   0.23370   0.47800   0.49020   0.62000   0.02720
Pb(5)   0.61720   0.95690   0.00370   0.90000   0.03850
Pb(6)   0.71190   0.68720   0.01590   0.81000   0.04100
Pb(7)   0.08000   0.04430   0.02990   0.63000   0.01640
Pb(8)   0.72660   0.33590   0.51590   0.76000   0.02700
Pb(9)  -0.01570   0.31520   0.01400   0.68000   0.02990
Pb(10)   0.62240   0.03120   0.51170   0.92000   0.04380
Pb(11)   0.11910   0.46400   0.00900   0.34000   0.03800
Pb(12)   0.21280   0.18700   0.01900   0.31000   0.04630
Pb(13)   0.30660   0.69320   0.54080   0.50000   0.04130
FeM(1)   0.34900   0.50700   0.01600   0.47000   0.02350
MgM(1)   0.34900   0.50700   0.01600   0.53000   0.02350
MgM(2)  -0.15100   0.01300   0.01500   0.30000   0.02350
O(1)   0.14700   0.94000   0.37600   1.00000   0.02150
O(2)   0.06700   0.92600   0.13100   1.00000   0.02150
O(3)   0.03600   0.07400   0.25000   1.00000   0.02150
O(4)   0.20300   0.92000   0.24300   1.00000   0.02150
O(5)   0.17800   0.13200   0.29600   1.00000   0.02150
O(6)   0.22500   0.37900   0.15800   1.00000   0.02150
O(7)   0.32500   0.46700   0.41100   1.00000   0.02150
O(8)   0.21800   0.58300   0.28600   1.00000   0.02150
O(9)   0.17700   0.39300   0.31000   1.00000   0.02150
O(10)   0.31800   0.26700   0.30800   1.00000   0.02150
O(11)   0.36900   0.42000   0.26000   1.00000   0.02150
O(12)   0.49500   0.56500   0.40200   1.00000   0.02150
O(13)   0.39800   0.56800   0.16100   1.00000   0.02150
O(14)   0.54400   0.57800   0.26300   1.00000   0.02150
O(15)  -0.11100   0.35300   0.14900   1.00000   0.02150
O(16)  -0.00600   0.52000   0.38600   1.00000   0.02150
O(17)  -0.13600   0.57400   0.25100   1.00000   0.02150
O(18)   0.04700   0.39300   0.25000   1.00000   0.02150
O(19)  -0.17600   0.62500   0.39600   1.00000   0.02150
O(20)  -0.18600   0.76000   0.28600   1.00000   0.02150
O(21)   0.70700   0.41500   0.23700   1.00000   0.02150
O(22)   0.67500   0.62800   0.28600   1.00000   0.02150
O(23)  -0.29200   0.59300   0.14400   1.00000   0.02150
O(24)   0.13000   0.62400   0.36800   1.00000   0.02150
O(25)   0.07900   0.49200   0.13100   1.00000   0.02150
O(26)   0.23200   0.70400   0.15400   1.00000   0.02150
O(27)   0.26300   0.79800   0.38900   1.00000   0.02150
O(28)   0.63500   0.80200   0.40600   1.00000   0.02150
O(29)   0.56500   0.71600   0.16200   1.00000   0.02150
O(30)   0.54900  -0.08000   0.26600   1.00000   0.02150
O(31)   0.66800   0.89700   0.28400   1.00000   0.02150
O(32)   0.48800   0.02700   0.39000   1.00000   0.02150
O(33)   0.38700  -0.14000   0.15100   1.00000   0.02150
O(34)   0.36300   0.07100   0.23700   1.00000   0.02150
O(35)   0.35500   0.22000   0.12000   1.00000   0.02150
O(36)   0.46700   0.28700   0.36900   1.00000   0.02150
O(37)  -0.14500   0.70700   0.12100   1.00000   0.02150
O(38)  -0.04000   0.78500   0.37300   1.00000   0.02150
O(39)  -0.12900   0.91400   0.25200   1.00000   0.02150
O(40)  -0.27400   0.87800   0.14600   1.00000   0.02150
O(41)  -0.18100   0.97400   0.39900   1.00000   0.02150
O(42)   0.70600   0.08300   0.24800   1.00000   0.02150
O(43)   0.06900   0.21600   0.15900   1.00000   0.02150
O(44)   0.13300   0.29400   0.41000   1.00000   0.02150
O(45)   0.64800   0.41200   0.36500   1.00000   0.02150
O(46)   0.56500   0.43400   0.13100   1.00000   0.02150
O(47)   0.21100   0.08300   0.14600   1.00000   0.02150
O(48)   0.32100   0.10700   0.38900   1.00000   0.02150
O(49)  -0.27500   0.20700   0.14200   1.00000   0.02150
O(50)  -0.23700   0.29800   0.38500   1.00000   0.02150
O(51)   0.63500   0.12900   0.36300   1.00000   0.02150
O(52)   0.56300  -0.01300   0.12200   1.00000   0.02150
O(53)  -0.10900   0.06900   0.15500   1.00000   0.02150
O(54)  -0.01300   0.06500   0.39800   1.00000   0.02150
O(55)   0.41800   0.19100   0.63200   1.00000   0.02150
O(56)   0.45500   0.28600   0.87800   1.00000   0.02150
O(57)   0.48300   0.41700   0.76600   1.00000   0.02150
O(58)   0.47600   0.07300   0.76100   1.00000   0.02150
O(59)   0.69600   0.91900   0.62800   1.00000   0.02150
O(60)   0.81000   0.93400   0.87000   1.00000   0.02150
O(61)   0.64900   0.90700   0.74400   1.00000   0.02150
O(62)   0.81900   0.06700   0.74200   1.00000   0.02150
O(63)   0.89100   0.02200   0.63000   1.00000   0.02150
O(64)   0.97500   0.13800   0.88800   1.00000   0.02150
O(65)   0.89700   0.24800   0.74300   1.00000   0.02150
O(66)   0.98800   0.92800   0.78100   1.00000   0.02150
O(67)   0.03900   0.12000   0.76400   1.00000   0.02150
O(68)   0.23400   0.73500   0.66300   1.00000   0.02150
O(69)   0.35500   0.79300   0.91000   1.00000   0.02150
O(70)   0.31800   0.57200   0.75400   1.00000   0.02150
O(71)   0.34100   0.93900   0.79200   1.00000   0.02150
O(72)   0.39300   0.74200   0.74400   1.00000   0.02150
O(73)   0.06900   0.88400   0.66100   1.00000   0.02150
O(74)   0.12900   0.02700   0.90700   1.00000   0.02150
O(75)   0.17100   0.09200   0.77700   1.00000   0.02150
O(76)   0.37100  -0.10200   0.63100   1.00000   0.02150
O(77)   0.48600  -0.05800   0.88000   1.00000   0.02150
O(78)   0.52400  -0.12500   0.71900   1.00000   0.02150
O(79)   0.57100   0.69000   0.62500   1.00000   0.02150
O(80)   0.62500   0.79700   0.87500   1.00000   0.02150
O(81)   0.53000   0.61000   0.74600   1.00000   0.02150
O(82)   0.66600   0.59000   0.77700   1.00000   0.02150
O(83)   0.14000   0.30500   0.87300   1.00000   0.02150
O(84)   0.06600   0.17000   0.62500   1.00000   0.02150
O(85)   0.14300   0.40500   0.73700   1.00000   0.02150
O(86)   0.01100   0.35600   0.71500   1.00000   0.02150
O(87)   0.72800   0.22200   0.66200   1.00000   0.02150
O(88)   0.85400   0.29400   0.91200   1.00000   0.02150
O(89)   0.84100   0.43800   0.80300   1.00000   0.02150
O(90)   0.30800   0.14300   0.89000   1.00000   0.02150
O(91)   0.21400  -0.00800   0.64600   1.00000   0.02150
O(92)   0.92300   0.70800   0.64500   1.00000   0.02150
O(93)   0.95100   0.78300   0.88100   1.00000   0.02150
O(94)   0.98200   0.57100   0.76600   1.00000   0.02150
O(95)   0.06900   0.57200   0.66200   1.00000   0.02150
O(96)   0.12300   0.55900   0.89400   1.00000   0.02150
O(97)   0.62500   0.51600   0.90100   1.00000   0.02150
O(98)   0.56800   0.37800   0.65000   1.00000   0.02150
O(99)   0.62400   0.06200   0.89300   1.00000   0.02150
O(100)   0.57700   0.07900   0.65700   1.00000   0.02150
O(101)   0.37700   0.50900   0.61800   1.00000   0.02150
O(102)   0.46700   0.61300   0.87500   1.00000   0.02150
O(103)   0.30200   0.44400   0.86800   1.00000   0.02150
O(104)   0.20000   0.40400   0.61900   1.00000   0.02150
O(105)   0.97900   0.45100   0.88200   1.00000   0.02150
O(106)   0.86300   0.39100   0.62400   1.00000   0.02150
O(107)   0.80600   0.63600   0.88900   1.00000   0.02150
O(108)   0.71900   0.48600   0.64500   1.00000   0.02150
O-H(1)  -0.01400   0.86500   0.23200   1.00000   0.02150
O-H(2)   0.11800   0.73400   0.21300   1.00000   0.02150
O-H(3)   0.36400   0.64200   0.32700   1.00000   0.02150
O-H(4)   0.47800   0.75800   0.30600   1.00000   0.02150
O-H(5)   0.48400   0.36900   0.22000   1.00000   0.02150
O-H(6)  -0.14300   0.39000   0.31400   1.00000   0.02150
O-H(7)  -0.02300   0.26300   0.31300   1.00000   0.02150
O-H(8)  -0.02200   0.59400   0.21500   1.00000   0.02150
O-H(9)   0.35900   0.90100   0.31300   1.00000   0.02150
O-H(10)   0.47700   0.09700   0.21100   1.00000   0.02150
O-H(11)  -0.14300   0.14500   0.32900   1.00000   0.02150
O-H(12)   0.61500   0.23400   0.19800   1.00000   0.02150
O-H(13)   0.35000   0.12100   0.71800   1.00000   0.02150
O-H(14)   0.35000   0.35500   0.70800   1.00000   0.02150
O-H(15)   0.57800   0.26100   0.80300   1.00000   0.02150
O-H(16)   0.85400   0.86800   0.72200   1.00000   0.02150
O-H(17)   0.71600   0.72200   0.70800   1.00000   0.02150
O-H(18)   0.71400   0.13100   0.81100   1.00000   0.02150
O-H(19)   0.22000   0.90500   0.83400   1.00000   0.02150
O-H(20)   0.21200   0.63100   0.80300   1.00000   0.02150
O-H(21)   0.08000   0.77100   0.81200   1.00000   0.02150
O-H(22)   0.21400   0.22100   0.70700   1.00000   0.02150
O-H(23)   0.71000   0.39800   0.81800   1.00000   0.02150
O-H(24)   0.85300   0.62100   0.73000   1.00000   0.02150
Wat(1)   0.38900   0.30200   0.47700   1.00000   0.02010
Wat(2)   0.58300   0.76400   0.01600   1.00000   0.02010
Wat(3)   0.16000   0.12000   0.51500   1.00000   0.02010
Wat(4)   0.10600   0.77600   0.52400   1.00000   0.02010
Wat(5)   0.76400   0.92500   0.01900   1.00000   0.02010
Wat(6)   0.12400   0.53100   0.52200   1.00000   0.02010
Wat(7)   0.28700   0.32300   0.52200   1.00000   0.02010
Wat(8)   0.41300   0.70900   0.54400   1.00000   0.02010
Wat(9)   0.73200   0.98200   0.49500   1.00000   0.02010
Wat(10)   0.78200   0.52800   0.51900   1.00000   0.02010
Wat(11)   0.15200   0.84000   0.01400   1.00000   0.02010
Wat(12)   0.10000   0.26900   0.01300   1.00000   0.02010
Wat(13)   0.57700   0.47400   0.52400   1.00000   0.02010
Wat(14)   0.43500   0.57100   0.01100   1.00000   0.02010
Wat(15)  -0.08900   0.83700   0.03500   1.00000   0.02010
Wat(16)   0.27500   0.41000   0.02600   1.00000   0.02010
Wat(17)   0.38600   0.33200   0.01000   1.00000   0.02010
Wat(18)   0.29100   0.63500   0.00300   1.00000   0.02010
Wat(19)   0.60000   0.28500   0.52300   1.00000   0.02010
Wat(20)   0.47300   0.17100   0.51900   1.00000   0.02010
Wat(21)  -0.08100   0.43700   0.49500   1.00000   0.02010
Wat(22)   0.41800   0.02500   0.01200   1.00000   0.02010
Wat(23)   0.27800   0.04700   0.52700   1.00000   0.02010
Wat(24)  -0.08100   0.52500   0.02500   1.00000   0.02010
Wat(25)   0.76800   0.46900   0.01400   1.00000   0.02010
Wat(26)   0.02900   0.32500   0.50800   1.00000   0.02010
Wat(27)   0.65400   0.64700   0.51800   1.00000   0.02010
Wat(28)   0.41100  -0.03800   0.51300   1.00000   0.02010
Wat(29)   0.27300   0.94800   0.00700   1.00000   0.02010
Wat(30)   0.95800   0.03900   0.53900   1.00000   0.02010
Wat(31)   0.54600   0.15700   0.03600   1.00000   0.02010
Wat(32)   0.88900   0.80000   0.48200   1.00000   0.02010
Wat(33)  -0.09100   0.18400   0.51400   1.00000   0.02010
Wat(34)   0.04500   0.66300   0.03600   1.00000   0.02010
Wat(35)   0.48100   0.80700   0.00000   1.00000   0.02010
Wat(36)  -0.35100   0.34600   0.02000   1.00000   0.02010
Wat(37)   0.53100   0.84000   0.49700   1.00000   0.02010
Wat(38)   0.22600   0.83800   0.51700   1.00000   0.02010
Wat(39)   0.93400   0.10200   0.02100   1.00000   0.02010
Wat(40)  -0.42100   0.53400   0.02400   1.00000   0.02010
Wat(41)  -0.18500   0.19000   0.03200   1.00000   0.02010

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.122 Å	(100)
7.12 Å	(80)
3.55 Å	(60)
3.47 Å	(60)
2.486 Å	(40)
1.961 Å	(40)
2.008 Å	(30)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 7: Great Oxidation Event	<2.4
47a : [Near-surface hydration of prior minerals]
47f : [Uranyl (U⁶⁺) minerals]

Type Occurrence of RichetiteHide

Type Locality:

ⓘ Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo

Place of Conservation of Type Material:

University of Liège, Liège, Belgium (1712).

Geological Setting of Type Material:

Oxidized zone of a uranium deposit

Associated Minerals at Type Locality:

Wölsendorfite	Uraninite	Uraninite	Torbernite	Rutherfordine
Masuyite	Kasolite	Becquerelite

Reference:

Vaes, J.F. (1947) Six nouveaux minéraux d'urane provenant de Shinkolobwe (Katanga). Annales de la Société Géologique de Belgique: 70: B212-B225.

Download:

https://rruff.info/rruff_1.0/uploads/ASGB70_212.pdf

Other Language Names for RichetiteHide

German:Richetit

Spanish:Richetita

Common AssociatesHide

Associated Minerals Based on Photo Data:

10 photos of Richetite associated with Masuyite	Pb(UO₂)₃O₃(OH)₂ · 3H₂O
2 photos of Richetite associated with Uraninite	UO₂
2 photos of Richetite associated with Fourmarierite	Pb(UO₂)₄O₃(OH)₄ · 4H₂O
1 photo of Richetite associated with Rutherfordine	(UO₂)CO₃
1 photo of Richetite associated with Wölsendorfite	Pb₇(UO₂)₁₄O₁₉(OH)₄ · 12H₂O
1 photo of Richetite associated with Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

Related Minerals - Strunz-mindat Grouping Hide

4.GB.05	Agrinierite	K₂(Ca,Sr)[(UO₂)₃O₃(OH)₂]₂ · 5H₂O	Mon. m : Bm
4.GB.05	Compreignacite	K₂(UO₂)₆O₄(OH)₆ · 7H₂O	Orth. mmm (2/m 2/m 2/m) : Pnnm
4.GB.05	Rameauite	K₂Ca(UO₂)₆O₆(OH)₄ · 6H₂O	Mon. m : Bb
4.GB.10	Becquerelite	Ca(UO₂)₆O₄(OH)₆ · 8H₂O	Orth. mm2 : Pna2₁
4.GB.10	Billietite	Ba(UO₂)₆O₄(OH)₆ · 4-8H₂O	Orth. mm2
4.GB.10	Protasite	Ba(UO₂)₃O₃(OH)₂ · 3H₂O	Mon. m
4.GB.20	Bauranoite	Ba(UO₂)₂(OH)₆ · 1-2H₂O
4.GB.20	Calciouranoite	(Ca,Ba,Pb)U₂O₇ · 5H₂O
4.GB.20	Metacalciouranoite	(Ca,Ba,Pb,K₂)U₂O₇ · 2H₂O
4.GB.25	Fourmarierite	Pb(UO₂)₄O₃(OH)₄ · 4H₂O	Orth. mm2
4.GB.30	Wölsendorfite	Pb₇(UO₂)₁₄O₁₉(OH)₄ · 12H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
4.GB.35	Masuyite	Pb(UO₂)₃O₃(OH)₂ · 3H₂O	Orth. mmm (2/m 2/m 2/m)
4.GB.40	Metavandendriesscheite	PbU₇O₂₂ · nH₂O n < 12	Orth.
4.GB.40	Vandendriesscheite	PbU₇O₂₂ · 12H₂O	Orth. mmm (2/m 2/m 2/m) : Pbca
4.GB.45	Vandenbrandeite	Cu(UO₂)(OH)₄	Tric. 1 : P1
4.GB.50	Sayrite	Pb₂(UO₂)₅O₆(OH)₂ · 4H₂O	Mon. 2/m
4.GB.55	Curite	Pb₃(H₂O)₂[(UO₂)₄O₄(OH)₃]₂	Orth. mmm (2/m 2/m 2/m) : Pnma
4.GB.60	Iriginite	(UO₂)Mo₂O₇ · 3H₂O	Orth. mmm (2/m 2/m 2/m) : Pbcm
4.GB.65	Uranosphaerite	Bi(UO₂)O₂(OH)	Mon. 2/m
4.GB.70	Holfertite	Ca_xU⁶⁺_2-xTi(O_8-xOH_4x) · 3H₂O	Trig. 3 : P3
4.GB.75	Carlosbarbosaite	(UO₂)₂Nb₂O₆(OH)₂ · 2H₂O	Orth. mmm (2/m 2/m 2/m) : Cmcm
4.GB.80	Gauthierite	KPb[(UO₂)₇O₅(OH)₇] · 8H₂O	Mon. 2/m : P2₁/b
4.GB.85	Kroupaite	KPb_0.5[(UO₂)₈O₄(OH)₁₀] · 10H₂O	Orth. mmm (2/m 2/m 2/m) : Pbca
4.GB.90	Leesite	K(H₂O)₂[(UO₂)₄O₂(OH)₅] · 3H₂O	Orth. mmm (2/m 2/m 2/m) : Pbca
4.GB.95	Shinkolobweite	Pb_1.25[U⁵⁺(H₂O)₂(U⁶⁺O₂)₅O₈(OH)₂](H₂O)₅	Orth. mmm (2/m 2/m 2/m) : Pnnm
4.GB.95	Nollmotzite	Mg[U⁵⁺(U⁶⁺O₂)₂O₄F₃] · 4H₂O	Mon. m : Bm

Other InformationHide

Notes:

Radioactive

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for RichetiteHide

mindat.org URL:

https://www.mindat.org/min-3415.html
Please feel free to link to this page.

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External Links:

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Look for Richetite on Wikipedia

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for RichetiteHide

Reference List:

Vaes, J.F. (1947) Six nouveaux minéraux d'urane provenant de Shinkolobwe (Katanga). Annales de la Société Géologique de Belgique: 70: B212-B225.

Fleischer, M. (1948) New mineral names. American Mineralogist: 33: 384-386.

Piret, P., Deliens, M. (1984) Nouvelles données sur la richetite PbO.4UO3.4H2O (New data for richetite PbO.4UO3.4H2O). Bulletin de Minéralogie: 107: 581-585.

Dunn, Pete J., Ferraiolo, James A., Fleischer, Michael, Gobel, Volker, Grice, Joel D., Langley, Richard H., Shigley, James E., Vanko, David A., Zilczer, Janet A. (1985) New mineral names. American Mineralogist, 70 (11-12) 1329-1335 p.1335

Burns, P.C. (1998) The structure of richetite, a rare lead uranyl oxide hydrate. The Canadian Mineralogist: 36: 187-199.

Burns, Peter C. (2005) U⁶⁺ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. The Canadian Mineralogist, 43 (6) 1839-1894 doi:10.2113/gscanmin.43.6.1839

Plášil, J. (2017) Crystal structure of richetite revisited: crystallographic evidence for the presence of pentavalent uranium. American Mineralogist: 102: 1771-1775.

Localities for RichetiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Australia
Queensland Cloncurry Shire Cloncurry ⓘ E1 deposit	Mineralogical and fluid characteristics of ‘Monakoff-Style’ iron–oxide–copper–gold (IOCG) mineralisation in the Cloncurry Area, Queensland. in Abdurrahman, A., J. C. Ø. Andersen, and B. J. Williamson. "Meeting of the Geological Society’s Mineral Deposits Studies Group was held on the 2nd–4th January 2013 at the University of Leicester, UK." Applied Earth Science (Trans. Inst. Min. Metall. B) 121.4 (2012): 214.
ⓘ Monakoff Mine	Williams et al 2015 Mineralogical and fluid characteristics of ‘Monakoff-Style’ iron–oxide–copper–gold (IOCG) mineralisation in the Cloncurry Area, Queensland. in Abdurrahman, A., J. C. Ø. Andersen, and B. J. Williamson. "Meeting of the Geological Society’s Mineral Deposits Studies Group was held on the 2nd–4th January 2013 at the University of Leicester, UK." Applied Earth Science (Trans. Inst. Min. Metall. B) 121.4 (2012): 214.

Brazil
Bahia Caetité ⓘ Lagoa Real province	Pires, F., França, A., & Miano, S. (2014). Topological relations in the U-Si-OH system derived by weathering at Lagoa Real Province, Bahia, Brazil (No. IAEA-CN--216).

Czech Republic
Central Bohemian Region ⓘ Příbram District	Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
Karlovy Vary Region Karlovy Vary District ⓘ Jáchymov	Lapis 2002(7/8), 63-65

DR Congo (TL)
Haut-Katanga Kambove Territory Shinkolobwe ⓘ Shinkolobwe Mine (TL)	Bulletin de la Société belge de Géologie (1947) 70, B 212-226. Deliens, M. (1996) Overzicht van de mineralogie van de koper-, kobalt- en uraniumvoorkomens in Zuid-Shaba (Zaïre). Pages 35-49 in: Schatten der Aarde. Van mineraal tot juweel. Tentoonstelling in de abdij Saint-Gérard de Brogne van 27 april tot 27 oktober 1996. Catalogus opgemaakt onder de leiding van R. Warin, AGAB en P. Van hee, MKA (in Dutch).

Finland
North Ostrobothnia Kuusamo ⓘ Honkilehto	Al-Ani, T., Konnunaho, K., & Sarapää, O. (2011). Microprobe analysis on REE-minerals of Enontekiö (Palkiskuru and Palovaara) and Kuusamo (Hoinkilehto) hydrothermal mineralizations and Kortejärvi-Laivajoki carbonatites, Northern Finland. Geological Survey of Finland. In Geological Survey of Finland, Report M42/2010/66. Al-Ani, Thair and Pakkanen, Lassi (2013): Mini-Atlas of REE-minerals in Finnish Bedrocks. Geologian Tutkimuskeskus/Geological Survey of Finland.

France
Auvergne-Rhône-Alpes Savoie Albertville La Léchère Celliers ⓘ Plans Mountain	De Ascençao Guedes, Roger, Chiappero, Pierre-Jacques, Ducarre, Claude Julien, Meisser, Nicolas, Parodi, Gian Carlo, Rivoallan, Xavier, Valverde, Jaques (2000) Espéces minérales. Le Règne Minéral - Hors Série 6, Les Éditions du Piat. 24-39

Russia
Murmansk Oblast Olenegorsk ⓘ Olenegorskoe Fe deposit	Bazai, A. V., Ivanyuk, G. Y., Pakhomovsky, Y. A., Goryainov, P. M., & Yakovenchuk, V. N. (2009). Native elements in rocks of the banded iron formation, Kola Peninsula. Geology of Ore Deposits, 51(7), 525-536.
Republic of Karelia Pitkyaranta mining district (Pitkäranta mining district) ⓘ Hopunvaara area	Ivashchenko, V. I., Valkama, M., Sundblad, K., Golubev, A. I., & Alekseev, V. Y. (2011, September). New data on mineralogy and metallogeny of scarns in the Pitkyaranta ore region. In Doklady Earth Sciences (Vol. 440, No. 1, p. 1307). SP MAIK Nauka/Interperiodica.

USA
Colorado Saguache County ⓘ Lookout No. 22 claim	Chester S. Lemanski, Jr. - specimen analyzed by the Czech Geological Survey (Ing. Petr Ondrush) thru Josef Vajdak - method unspecified (ref. JV03/271-272)

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Richetite

About RichetiteHide

Unique IdentifiersHide

IMA Classification of RichetiteHide

Classification of RichetiteHide

Mineral SymbolsHide

Physical Properties of RichetiteHide

Optical Data of RichetiteHide

Chemistry of RichetiteHide

Crystallography of RichetiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of RichetiteHide

Other Language Names for RichetiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for RichetiteHide

References for RichetiteHide

Localities for RichetiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide