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Nevadaite

This page kindly sponsored by Tony Nikischer
Flag of Nevada, USA
Formula:
(Cu2+,◻,Al,V3+)6[Al8(PO4)8F8](OH)2 · 22H2O
System:
Orthorhombic
Colour:
Pale green, turquoise
Lustre:
Vitreous
Hardness:
3
Name:
First referred to as Unknown #1 by Jensen et al (1995). Named by M.A. Cooper, F.C. Hawthorne, A.C. Roberts, E.E. Foord, R.C. Erd, H.T. Evans Jr., and M.C. Jensen in 2004 for the state of Nevada, USA, that includes the type locality of the Gold Quarry Mine.
This page provides mineralogical data about Nevadaite.


Classification of Nevadaite

Approved
Approval Year:
2002
First Published:
2004
8.DC.60

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

Physical Properties of Nevadaite

Vitreous
Diaphaneity (Transparency):
Translucent
Colour:
Pale green, turquoise
Streak:
Pale powder-blue
Hardness (Mohs):
3
Hardness Data:
Estimated
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
2.54 g/cm3 (Measured)    2.55 g/cm3 (Calculated)

Optical Data of Nevadaite

Type:
Biaxial (-)
RI values:
nα = 1.540 nβ = 1.548 nγ = 1.553
2V:
Measured: 76° , Calculated: 76°
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Pleochroism:
Visible
Comments:
X = pale greenish blue
Y = very pale greenish blue
Z = blue
Comments:
orientation: X = c, Y = a, Z = b

Chemical Properties of Nevadaite

IMA Formula:
(Cu2+,◻,Al,V3+)6[Al8(PO4)8F8](OH)2 · 22H2O
Elements listed in formula:

Crystallography of Nevadaite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 12.123Å, b = 18.999Å, c = 4.961Å
Ratio:
a:b:c = 0.638 : 1 : 0.261
Unit Cell Volume:
V 1,142.64 ų (Calculated from Unit Cell)
Morphology:
Radiating clusters to 1 mm of prismatic crystals, occasionally covering surfaces greater than 2 cm diameter. Individual crystals are elongate on [001] with a length:width ratio of greater than 10:1 and a maximum diameter of approx. 30 mm. Also as spherules and druses.
Comment:
Space group P21mn.
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.077 (10)
5.618 (9)
9.535 (8)
2.983 (6)
3.430 (4)
2.661 (4)
1.844 (4)

Type Occurrence of Nevadaite

General Appearance of Type Material:
Pale green to turquoise-blue spherules and druses.
Place of Conservation of Type Material:
Systematic Reference Series, National Mineral Collection of Canada, Geological Survey of Canada, Ottawa, Ontario, Canada; NMCC68091.
Geological Setting of Type Material:
Hydrothermally altered sedimentary rocks. From the upper supergene zone. Brecciated and silicified silty carbonate rocks (jasperoid).

Relationship of Nevadaite to other Species

8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2O
8.DC.07EuchroiteCu2AsO4(OH) · 3H2O
8.DC.10LegranditeZn2AsO4(OH) · H2O
8.DC.12StrashimiriteCu4(AsO4)2(OH)2 · 2.5H2O
8.DC.15ArthuriteCuFe23+(AsO4)2(OH)2 · 4H2O
8.DC.15EarlshannoniteMn2+Fe23+(PO4)2(OH)2 · 4H2O
8.DC.15OjuelaiteZnFe23+(AsO4)2(OH)2 · 4H2O
8.DC.15WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
8.DC.15CobaltarthuriteCoFe23+(AsO4)2(OH)2 · 4H2O
8.DC.15BendadaiteFe2+Fe23+(AsO4)2(OH)2 · 4H2O
8.DC.15KunatiteCuFe23+(PO4)2(OH)2 · 4H2O
8.DC.15UKI-2006-(PO:FeHZn)ZnFe23+(PO4)2(OH)2 · 4H2O
8.DC.15UKI-2006-(PO:AlCuFeH)Fe2+Al23+(PO4)2(OH)2 · 4H2O
8.DC.17KleemaniteZnAl2(PO4)2(OH)2 · 3H2O
8.DC.20BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
8.DC.20CoralloiteMn2+Mn23+(AsO4)2(OH)2 · 4H2O
8.DC.22KovdorskiteMg2PO4(OH) · 3H2O
8.DC.25FerristrunziteFe3+Fe23+(PO4)2(OH)3 · 5H2O
8.DC.25FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.25MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
8.DC.25MetavivianiteFe2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.25StrunziteMn2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.27BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
8.DC.30GordoniteMgAl2(PO4)2(OH)2 · 8H2O
8.DC.30LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30PseudolaueiteMn2+Fe23+(PO4)2(OH)2 · 7-8H2O
8.DC.30SigloiteFe3+Al2(PO4)2(OH)3 · 7H2O
8.DC.30StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30UshkoviteMgFe23+(PO4)2(OH)2 · 8H2O
8.DC.30FerrolaueiteFe2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30KastningiteMn2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2O
8.DC.30NordgauiteMnAl2(PO4)2F2 · 5H2O
8.DC.32TinticiteFe33+(PO4)2(OH)3 · 3H2O
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2O
8.DC.40CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
8.DC.45GormaniteFe32+Al4(PO4)4(OH)6 · 2H2O
8.DC.45SouzaliteMg3Al4(PO4)4(OH)6 · 2H2O
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2O
8.DC.50WavelliteAl3(PO4)2(OH)3 · 5H2O
8.DC.50AllanpringiteFe33+(PO4)2(OH)3 · 5H2O
8.DC.52KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2O
8.DC.55MapimiteZn2Fe33+(AsO4)3(OH)4 · 10H2O
8.DC.57OgdensburgiteCa2Fe43+Zn(AsO4)4(OH)6 · 6H2O
8.DC.60CloncurryiteCu0.5(VO)0.5Al2(PO4)2F2 · 5H2O

Other Names for Nevadaite

Name in Other Languages:
Simplified Chinese:内华达石
Traditional Chinese:內華達石

Other Information

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 Nevadaite

Reference List:
Jensen, M.C., Rota, J.C., Foord, E.E. (1995) The Gold Quarry mine, Carlin trend, Eureka County, Nevada. Mineralogical Record: 26: 449-469.

Cooper, M.A., Hawthorne, F.C., Roberts, A.C., Foord, E.E., Erd, R.C., Evans, H.T., Jr., Jensen, M.C. (2004) Nevadaite, (Cu 2+,◻,Al,V 3+)6[Al8(PO4)8F8](OH)2(H2O)22, a new phosphate mineral species from the Gold Quarry mine, Carlin, Eureka County, Nevada: Description and crystal structure. The Canadian Mineralogist: 42(3): 741-752.

Grice, J.D., Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved 1998-2002 by the commission on new minerals and mineral names, International Mineralogical Association. American Mineralogist: 88: 1620-1624.

Grice, J.D., Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association. The Canadian Mineralogist: 41: 795-802.

Jambor, J.L., Grew, E.S., Roberts, A.C. (2005) New mineral names. American Mineralogist: 90: 518-522.

Mandarino, J.A. (2004) New minerals. The Canadian Mineralogist: 42: 1901-1927.

Internet Links for Nevadaite

mindat.org URL:
https://www.mindat.org/min-25696.html
Please feel free to link to this page.

Localities for Nevadaite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Kyrgyzstan
 
  • Osh Oblast
    • Alai Range (Alay Range)
      • Fergana Valley
        • Fergana
Karpenko, V.Yu. et al. Zapiski RMO 138(1)83(2009)
USA (TL)
 
  • Nevada
    • Eureka Co.
      • Carlin Trend
        • Maggie Creek Subdistrict
NBMG Spec. Pub. 31 Minerals of Nevada; Canadian Mineralogist (2004): 42(3): 741-752.
Mineral and/or Locality  
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