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Ushkovite

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About UshkoviteHide

03067750015817799181558.jpg
Sergei L. Ushkov
Formula:
MgFe3+2(PO4)2(OH)2 · 8H2O
Colour:
Pale yellow, orange-yellow, orange, orange brown
Lustre:
Vitreous, Sub-Vitreous, Greasy, Pearly
Hardness:
Specific Gravity:
2.38
Crystal System:
Triclinic
Name:
Named in 1983 by B. V. Chesnokov, V. A. Valisov, G. Y. Cherepivskaya, and M. G. Gorskaya in honor of Sergei L'vovich Ushkov (Сергея Львовича Ушкова) (1880 Russia - 26 October 1951 Russia), naturalist who studied the Il'men National Forest.
Isostructural with:
Occurs as short, striated bladed crystals with acute terminations.


Classification of UshkoviteHide

Approved
Approval Year:
1982
First Published:
1983
8.DC.30

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
42.11.10.4

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
19.14.11

19 : Phosphates
14 : Phosphates of Fe and other metals

Physical Properties of UshkoviteHide

Vitreous, Sub-Vitreous, Greasy, Pearly
Transparency:
Transparent, Translucent
Colour:
Pale yellow, orange-yellow, orange, orange brown
Streak:
Pale yellow
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{010}
Density:
2.38 g/cm3 (Measured)    2.40 g/cm3 (Calculated)

Optical Data of UshkoviteHide

Type:
Biaxial (-)
RI values:
nα = 1.584 nβ = 1.637 nγ = 1.670
2V:
Measured: 50° , Calculated: 74°
Birefringence:
0.084
Max Birefringence:
δ = 0.086
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
small
Optical Extinction:
Y^c = 26°, X, Y in {010}
Pleochroism:
Non-pleochroic

Chemical Properties of UshkoviteHide

Formula:
MgFe3+2(PO4)2(OH)2 · 8H2O

Crystallography of UshkoviteHide

Crystal System:
Triclinic
Cell Parameters:
a = 5.196 Å, b = 10.70 Å, c = 7.142 Å
α = 108.6°, β = 106.95°, γ = 72.70°
Ratio:
a:b:c = 0.486 : 1 : 0.667
Unit Cell V:
350.72 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Usually simple, striated pinacoidal crystals, rarely with modifying faces

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.86 Å(100)
6.57 Å(80)
4.95 Å(50)
4.85 Å(50)
4.01 Å(40)
3.28 Å(60)
3.20 Å(80)
Comments:
Similar to Laueite

Geological EnvironmentHide

Geological Setting:
Late stage mineralization in granite pegmatites

Type Occurrence of UshkoviteHide

General Appearance of Type Material:
Small orange short lath-like crystals
Geological Setting of Type Material:
Granite pegmatite
Associated Minerals at Type Locality:
Reference:
Chesnokov, B.V., Vilisov, V.A., Cherepivskaya, G.E., Gorskaya, M.G. (1983) Ushkovite, MgFe3+2(PO4)2(OH)2·8H2O. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 112(1): 42-46.

Synonyms of UshkoviteHide

Other Language Names for UshkoviteHide

German:Ushkovit
Spanish:Ushkovita

Relationship of Ushkovite to other SpeciesHide

Other Members of this group:
FerrolaueiteFe2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
GordoniteMgAl2(PO4)2(OH)2 · 8H2OTric. 1 : P1
Kastningite(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
KummeriteMn2+Fe3+Al(PO4)2(OH)2·8H2OTric. 1 : P1
LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2OTric.
ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
SigloiteFe3+Al2(PO4)2(OH)3 · 7H2OTric.

Common AssociatesHide

HydroxylapatiteCa5(PO4)3(OH)
Jahnsite SubgroupXM1M22M32(H2O)8(OH)2(PO4)4
Manganese OxidesA review on these minerals has been published by Post (1999).
MitridatiteCa2Fe3+3(PO4)3O2 · 3H2O
SideriteFeCO3
StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2O
StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2O
Associated Minerals Based on Photo Data:
11 photos of Ushkovite associated with AtencioiteCa2Fe2+3Mg2Be4(PO4)6(OH)4 · 6H2O
4 photos of Ushkovite associated with BerylloniteNaBePO4
3 photos of Ushkovite associated with ChildreniteFe2+Al(PO4)(OH)2 · H2O
2 photos of Ushkovite associated with RoscheriteCa2Mn2+5Be4(PO4)6(OH)4 · 6H2O
1 photo of Ushkovite associated with Roscherite Group
1 photo of Ushkovite associated with MoraesiteBe2(PO4)(OH) · 4H2O
1 photo of Ushkovite associated with XanthoxeniteCa4Fe3+2(PO4)4(OH)2 · 3H2O
1 photo of Ushkovite associated with NatrodufréniteNaFe2+Fe3+5(PO4)4(OH)6 · 2H2O
1 photo of Ushkovite associated with LeucophosphiteKFe3+2(PO4)2(OH) · 2H2O
1 photo of Ushkovite associated with ApatiteCa5(PO4)3(Cl/F/OH)

Related Minerals - Nickel-Strunz GroupingHide

8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2OMon.
8.DC.07EuchroiteCu2(AsO4)(OH) · 3H2OOrth. 2 2 2 : P21 21 21
8.DC.10LegranditeZn2(AsO4)(OH) · H2OMon. 2/m : P21/b
8.DC.12StrashimiriteCu8(AsO4)4(OH)4 · 5H2OMon.
8.DC.15ArthuriteCuFe3+2(AsO4)2(OH)2 · 4H2OMon.
8.DC.15EarlshannoniteMn2+Fe3+2(PO4)2(OH)2 · 4H2OMon.
8.DC.15OjuelaiteZnFe3+2(AsO4)2(OH)2 · 4H2OMon.
8.DC.15WhitmoreiteFe2+Fe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15Cobaltarthurite(Co,Mg)Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15BendadaiteFe2+Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15KunatiteCuFe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15UKI-2006-(PO:FeHZn)ZnFe3+2(PO4)2(OH)2 · 4H2OMon.
8.DC.15UKI-2006-(PO:AlCuFeH)Fe2+Al3+2(PO4)2(OH)2 · 4H2O
8.DC.17KleemaniteZnAl2(PO4)2(OH)2 · 3H2OMon.
8.DC.20BermaniteMn2+Mn3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P2/b
8.DC.20CoralloiteMn2+Mn3+2(AsO4)2(OH)2 · 4H2OTric. 1 : P1
8.DC.22KovdorskiteMg2(PO4)(OH) · 3H2OMon.
8.DC.25FerristrunziteFe3+Fe3+2(PO4)2(OH)3 · 5H2OTric.
8.DC.25FerrostrunziteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric.
8.DC.25MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
8.DC.25MetavivianiteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.25StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.27BerauniteFe2+Fe3+5(PO4)4(OH)5 · 6H2OMon. 2/m : B2/b
8.DC.30GordoniteMgAl2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2OTric.
8.DC.30ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30PseudolaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
8.DC.30SigloiteFe3+Al2(PO4)2(OH)3 · 7H2OTric.
8.DC.30StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30FerrolaueiteFe2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30Kastningite(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2OTric. 1 : P1
8.DC.32TinticiteFe3+5.34(PO4)3.62(VO4)0.38(OH)4 · 6.7H2OTric. 1 : P1
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2OOrth.
8.DC.40CacoxeniteFe3+24AlO6(PO4)17(OH)12 · 75H2OHex. 6/m : P63/m
8.DC.45Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
8.DC.45Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2OTric.
8.DC.50WavelliteAl3(PO4)2(OH,F)3 · 5H2OOrth. mmm (2/m 2/m 2/m)
8.DC.50AllanpringiteFe3+3(PO4)2(OH)3 · 5H2OMon. 2/m : P21/m
8.DC.52KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2OTric. 1 : P1
8.DC.55MapimiteZn2Fe3+3(AsO4)3(OH)4 · 10H2OMon.
8.DC.57OgdensburgiteCa2Fe3+4(Zn,Mn2+)(AsO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
8.DC.60Nevadaite(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2OOrth. mmm (2/m 2/m 2/m)
8.DC.60CloncurryiteCu0.5(VO)0.5Al2(PO4)2F2 · 5H2OMon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

42.11.10.1LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
42.11.10.2StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
42.11.10.3PseudolaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
42.11.10.7FerrolaueiteFe2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.14.1CyriloviteNaFe3+3(PO4)2(OH)4 · 2H2OTet. 4 2 2 : P41 21 2
19.14.2KidwelliteNaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33Mon. 2/m : P2/b
19.14.3Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3Mon. 2/m : P21/b
19.14.4Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
19.14.5Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3Mon. 2/m : P21/b
19.14.6NatrodufréniteNaFe2+Fe3+5(PO4)4(OH)6 · 2H2OMon.
19.14.7LeucophosphiteKFe3+2(PO4)2(OH) · 2H2OMon. 2/m : P21/b
19.14.8Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2OMon.
19.14.9BurangaiteNaFe2+Al5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
19.14.10Satterlyite(Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6Trig. 3m (3 2/m) : P3 1m
19.14.12Garyansellite(Mg,Fe)3(PO4)2(OH,O) · 1.5H2OOrth. mmm (2/m 2/m 2/m)
19.14.13ThadeuiteCa(Mg,Fe2+)3(PO4)2(OH,F)2Orth. 2 2 2 : C2 2 21
19.14.14AnapaiteCa2Fe2+(PO4)2 · 4H2OTric. 1 : P1
19.14.15XanthoxeniteCa4Fe3+2(PO4)4(OH)2 · 3H2OTric. 1 : P1
19.14.16CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b
19.14.17MitridatiteCa2Fe3+3(PO4)3O2 · 3H2OMon. 2/m : B2/b
19.14.18MélonjosephiteCaFe2+Fe3+(PO4)2(OH)Orth. mmm (2/m 2/m 2/m) : Pbam
19.14.19DelvauxiteCaFe4(PO4,SO4)2(OH)8 · 4-6H2O not confirmedAmor.
19.14.20CollinsiteCa2Mg(PO4)2 · 2H2OTric. 1 : P1
19.14.21SegeleriteCa2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pcca
19.14.22KingsmountiteCa3MnFeAl4(PO4)6(OH)4·12H2OMon. 2 : B2
19.14.23VauxiteFe2+Al2(PO4)2(OH)2 · 6H2OTric. 1 : P1
19.14.24MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
19.14.25ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
19.14.26SigloiteFe3+Al2(PO4)2(OH)3 · 7H2OTric.
19.14.27CacoxeniteFe3+24AlO6(PO4)17(OH)12 · 75H2OHex. 6/m : P63/m
19.14.28KoninckiteFe3+PO4 · 3H2OTet.
19.14.29LazuliteMgAl2(PO4)2(OH)2Mon. 2/m : P21/b
19.14.30ScorzaliteFe2+Al2(PO4)2(OH)2Mon. 2/m : P21/b
19.14.31Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
19.14.32Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
19.14.33ZaïriteBiFe3+3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m

Fluorescence of UshkoviteHide

Not fluorescent in UV

Other InformationHide

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

References for UshkoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chesnokov, B.V., Vilisov, V.A., Cherepivskaya, G.E., Gorskaya, M.G. (1983) Ushkovite, MgFe3+2(PO4)2(OH)2·8H2O. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 112(1): 42-46.
Dunn, P.J., Grice, J.D., Fleischer, M., Pabst, A. (1984) New mineral names. American Mineralogist: 69: 210-215.
Galliski, M.A., Hawthorne, F.C. (2002) Refinement of the crystal structure of ushkovite from Nevados de Palermo, Repúplica Argentina. The Canadian Mineralogist: 40: 929-937.

Internet Links for UshkoviteHide

Localities for UshkoviteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Salta Province
    • La Poma department
Canadian Mineralogist 40:929-937.
M. A. Galliski (1981). Estructura, mineralogía y génesis de las pegmatitas de El Quemado, Salta, República Argentina. Tesis doctoral, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba.
M. A. Galliski (1981). Estructura, mineralogía y génesis de las pegmatitas de El Quemado, Salta, República Argentina. Tesis doctoral, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba.; Galliski, M. A., & Hawthorne, F. C. (2002). Refinement of the crystal structure of ushkovite from Nevados de Palermo, Republica Argentina. The Canadian Mineralogist, 40(3), 929-937.
Australia
 
  • South Australia
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Kapunda
V. Peisley & P. Elliott in prep
Brazil
 
  • Minas Gerais
    • Conselheiro Pena
Bermanec, V., Scholz, R., Markovic, F., Zigovecki-Gobac, Z., and Chaves, M. L. S. C., 2011, Mineralogy of the Boa Vista pegmatite, Galiléia, Minas Gerais, Brazil: Contributions to the 5th International Symposium on Granitic Pegmatites, Galliski et al., eds., Assoc. Geológica Argentina, Serie D, Publicación Especial 14, p. 33-35.
Scholz R, Chukanov N V, Menezes L A D, Atencio D, Lagoeiro L, Belotti F M, Chaves M L S C, Romano A W, Brandão P R, Belakovskiy D I, Pekov I (2014) Césarferreiraite, Fe2+Fe3+2(AsO4)2(OH)28·H2O, from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite mineral group. American Mineralogist 99, 607-611
    • Divino das Laranjeiras
Reiner Mielke
In Coll. M. Slama
    • Itinga
www.minsocam.org/MSA/Special/Pig/PIG_best_shots/Pegmatites_shots.html.
      • Taquaral
        • Piauí valley
Luis Menezes; Hatert, F., Philippo, S., Ottolini, L., Dal Bo, F., Scholz, R., Chaves, M. L., ... & Menezes Filho, L. A. (2017). Wilancookite,(Ba, K, Na) 8 (Ba, Li,□) 6Be24P24O96· 32H2O, a new beryllophosphate with a zeolite framework. European Journal of Mineralogy, 29(5), 923-930.
from my personal field trip
Japan
 
  • Hyogo Prefecture
    • Kobe city
      • Nishi-ku
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Ganko-Gakkai Koen-Yoshi (Abstracts of the Meetings of Japanese Association of Mineralogists...) (in japanese) 40 (1995)
Namibia
 
  • Erongo Region
    • Dâures
Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 409 (in English).
Dunn, P. J. (1985): New occurrences for ushkovite and comments on laueite. Mineralogical Record 16, 463-464
Russia (TL)
 
  • Chelyabinsk Oblast
    • Bol'shoi Tatkul' Lake
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
USA
 
  • Maine
    • Oxford County
      • Newry
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
  • New Hampshire
    • Grafton Co.
      • Groton
Rocks & Min. 80:251
NIZAMOFF, James W., SIMMONS, William B., and FALSTER, Alexander U. (2004) PHOSPHATE MINERALOGY AND PARAGENESIS OF THE PALERMO #2 PEGMATITE, NORTH GROTON, NEW HAMPSHIRE Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
Whitmore & Lawrence, 2004. The Pegmatite Mines Known As Palermo, p. 96.; Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115; NIZAMOFF, J. W. (2004, November). Phosphate mineralogy and paragenesis of the Palermo# 2 pegmatite, North Groton, New Hampshire. In 2004 Denver Annual Meeting.
    • Sullivan Co.
      • Newport
Van King specimen
  • South Dakota
    • Custer Co.
      • Custer Mining District
        • Fourmile
Am.Min. 93,940-945(2008)
 
矿物 and/or 产地  
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