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Nevadaite

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Formula:
(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2O
System:
Orthorhombic
Colour:
Pale green, turquoise
Hardness:
3
Name:
From the discovery location, the Gold Quarry Mine, Carlin, Nevada, USA.
This page provides mineralogical data about Nevadaite.

Classification of Nevadaite

Approved 2002
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
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Type Occurrence of Nevadaite

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)

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)

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

Formula:
(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2O
Essential elements:
All elements listed in formula:

Relationship of Nevadaite to other Species

8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2O
8.DC.07EuchroiteCu2(AsO4)(OH) · 3H2O
8.DC.10LegranditeZn2(AsO4)(OH) · H2O
8.DC.12StrashimiriteCu8(AsO4)4(OH)4 · 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.15Cobaltarthurite(Co,Mg)Fe23+(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+Al3(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.22KovdorskiteMg2(PO4)(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 · 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.30Kastningite(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2O
8.DC.30NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2O
8.DC.32TinticiteFe3+5.34(PO4)3.62(VO4)0.38(OH)4 · 6.7H2O
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2O
8.DC.40CacoxeniteFe243+Al(PO4)17O6(OH)12 · 17H2O
8.DC.45Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
8.DC.45Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2O
8.DC.50WavelliteAl3(PO4)2(OH,F)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,Mn2+)(AsO4)4(OH)6 · 6H2O
8.DC.60Cloncurryite(Cu,VO)Al2(PO4)2(F,OH)2 · 4.5-5H2O

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:
Cooper, M.A., Hawthorne, F.C., Roberts, A.C., Foord, E.E., Erd, R.C., Evans, H.T., Jr., and 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. Canadian Mineralogist: 42(3): 741-752.

Internet Links for Nevadaite

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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