Coeruleolactite
A discredited species name
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About Coeruleolactite
Colour:
Milk-white, light blue
Lustre:
Vitreous, Waxy
Hardness:
5
Specific Gravity:
2.55 - 2.7
Crystal System:
Triclinic
Name:
From the Greek "coeruleus" for "blue" and "lactis" for "milk" in allusion to its typical colour.
A discredited member of the Turquoise Group.
Originally described from Rindsberg Mine, Katzenelnbogen, Taunus Mts, Rhineland-Palatinate, Germany.
Originally described from Rindsberg Mine, Katzenelnbogen, Taunus Mts, Rhineland-Palatinate, Germany.
Unique Identifiers
Mindat ID:
1103
Long-form identifier:
mindat:1:1:1103:3
GUID
(UUID V4):
(UUID V4):
e31f7cec-9848-44f0-94a3-1df431798141
IMA Classification of Coeruleolactite
Discredited
Classification of Coeruleolactite
8.DD.15
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
42.9.3.2
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O
Physical Properties of Coeruleolactite
Vitreous, Waxy
Transparency:
Translucent
Colour:
Milk-white, light blue
Streak:
White
Hardness:
5 on Mohs scale
Fracture:
Irregular/Uneven, Conchoidal
Density:
2.55 - 2.7 g/cm3 (Measured)
Optical Data of Coeruleolactite
Type:
Uniaxial (+)
RI values:
nω = 1.580 nε = 1.588
Max Birefringence:
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Crystallography of Coeruleolactite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.529 Å, b = 9.951 Å, c = 7.782 Å
α = 112.51°, β = 116.54°, γ = 68.57°
α = 112.51°, β = 116.54°, γ = 68.57°
Ratio:
a:b:c = 0.757 : 1 : 0.782
Unit Cell V:
468.35 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Microcrystalline to cryptocrystalline; fibrous veinlets, botryoidal aggregates, and crusts.
Geological Environment
Geological Setting:
Oxidized zones of iron deposits; pegmatite.
Other Language Names for Coeruleolactite
German:Cœruleolactin
Coeruleolactit
Coeruleolactit
Spanish:Coeruleolactita
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
8.DD. | Bettertonite | [Al6(AsO4)3(OH)9(H2O)5] · 11H2O |
8.DD. | Penberthycroftite | [Al6(AsO4)3(OH)9(H2O)5] · 8H2O |
8.DD. | Vargite | Cu2Mn3(AsO4)2(OH)4(H2O)4 |
8.DD. | Galeaclolusite | Al6(AsO4)3(OH)9(H2O)4 · 8H2O |
8.DD.05 | Chenevixite | Cu2Fe3+2(AsO4)2(OH)4 |
8.DD.05 | Luetheite | Cu2Al2(AsO4)2(OH)4 |
8.DD.10 | Akrochordite | (Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O |
8.DD.10 | Guanacoite | Cu2Mg3(AsO4)2(OH)4 · 4H2O |
8.DD.15 | Aheylite | (Fe2+,Zn)Al6(PO4)4(OH)8 · 4H2O |
8.DD.15 | Chalcosiderite | CuFe3+6(PO4)4(OH)8 · 4H2O |
8.DD.15 | Faustite | ZnAl6(PO4)4(OH)8 · 4H2O |
8.DD.15 | Planerite | Al6(PO4)2(PO3OH)2(OH)8 · 4H2O |
8.DD.15 | Turquoise | CuAl6(PO4)4(OH)8 · 4H2O |
8.DD.15 | Afmite | Al3(OH)4(H2O)3(PO4)(PO3OH) · H2O |
8.DD.15 | UM1981-32-PO:FeH | Fe2+Fe3+6(PO4)4-x[PO3(OH)]x(OH)8 · 4H2O |
8.DD.20 | Childrenite | Fe2+Al(PO4)(OH)2 · H2O |
8.DD.20 | Eosphorite | Mn2+Al(PO4)(OH)2 · H2O |
8.DD.20 | Ernstite | (Mn2+,Fe3+)Al(PO4)(OH,O)2 · H2O |
8.DD.20 | Lefontite | Fe2Al2Be(PO4)2(OH)6 |
8.DD.25 | Kobokoboite | Al6(PO4)4(OH)6 · 11H2O |
8.DD.30 | Smamite | Ca2Sb(OH)4[H(AsO4)2] · 6H2O |
8.DD.35 | Gutsevichite | Al3(PO4)2(OH)3 · 8H2O |
8.DD.40 | Laubmannite (of Moore) | (Fe3+,Fe2+,M)8+x(OH,H2O)9(H2O)2(PO4)5, M = Fe3+, Cu2+ or other metal cation, x ~ 0.1. |
Other Information
Notes:
Soluble in acids and in alkalies.
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 Coeruleolactite
mindat.org URL:
https://www.mindat.org/min-1103.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Coeruleolactite
Localities for Coeruleolactite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Bolivia | |
| SEM analyses by Gene Foord et al. (analyses copies courtesy of Brian Kosnar) |
Brazil | |
| Cassedanne (1980) |
DR Congo | |
| Van Wambeke (1971) |
Germany | |
| Petersen (1871) |
Romania | |
| minerals-of-the-carpathians.eu (2008) |
UK | |
| Golley et al. (1995) |
USA | |
| the mineral aheylite (redefined) +1 other reference |
Uzbekistan | |
| Mineraly Uzbekistana (Minerals of the Uzbekistan) |
Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK