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Goldquarryite

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Gold Quarry Mine (Maggie claims), Maggie Creek District, Eureka Co., Nevada, USA
© Brent Thorne

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Formula:
CuCd
 
2
Al
 
3
(PO
 
4
)
 
4
F
 
2
(H
 
2
O)
 
10
(H
 
2
O,F)
 
2
System:TriclinicColour:Blue, pale-blue to ...
Hardness:3 - 4
Name:For the type locality, at the Gold Quarry Mine, Maggie Creek District, Eureka Co., Nevada, USA.


Occurs as isolated sprays of radiating crystals.

Classification of Goldquarryite

IMA status:Approved 2001
Nickel-Strunz 10th (pending) edition ID:8.DB.65

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
B : With only medium-sized cations, (OH, etc.):RO4< 1:1
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Type Occurrence of Goldquarryite

Type Locality:Gold Quarry Mine (Maggie claims), Maggie Creek District, Eureka Co., Nevada, USA
Place of Conservation of Type Material:Geologic Survey of Canada #68084
Geological Setting of type material:Supergene mineral in a breccia
Associated Minerals at type locality:
OpalHewettiteCarbonate-rich Apatite-(CaF)

Physical Properties of Goldquarryite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Blue, pale-blue to blue-gray
Streak:white
Hardness (Mohs):3 - 4
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven
Density (measured):2.78 g/cm3
Density (calculated):2.81 g/cm3

Crystallography of Goldquarryite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 6.777Å, b = 9.081Å, c = 10.104Å
α = 101.4°, β = 104.24°, γ = 102.56°
Ratio:a:b:c = 0.746 : 1 : 1.113
Unit Cell Volume:V 567.1 ų
Z:1
Morphology:Acicular to elongated flattened blades
Twinning:{001}
Structure
  Reference
Cooper M A Hawthorne F C (2004) The crystal structure of goldquarryite, (Cu,_)(Cd,Ca)2Al2(PO4)4F2(H2O)10{(H2O),F}2, a secondary phosphate from the Gold Quarry Mine, Eureka County, Nevada, U.S.A. Locality: Gold Quarry Mine, Carlin, Eureka County, Nevada, USA. The Canadian Mineralogist 42:753-761.

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More Crystal Structures
Click here to view more crystal structures at the American Mineralogist Crystal Structure Database

Optical Data of Goldquarryite

Type:Biaxial (+)
RI values: nα = 1.570 nβ = 1.573 nγ = 1.578
2V:Measured: 30° , Calculated: 75°
Maximum Birefringence:δ = 0.008

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:r
Comments:Deep blue parallel to elongation, very pale blue normal to elongation.

Chemical Properties of Goldquarryite

Formula:
CuCd
 
2
Al
 
3
(PO
 
4
)
 
4
F
 
2
(H
 
2
O)
 
10
(H
 
2
O,F)
 
2
All elements listed in formula:Al, Cd, Cu, F, H, O, P

Relationship of Goldquarryite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DB.05Diadochite
Fe
3+
2
(PO
 
4
)(SO
 
4
)(OH)·5H
 
2
O
8.DB.05Pitticite
[Fe, SO
 
4
, AsO
 
4
, H
 
2
O] ?
8.DB.05Destinezite
Fe
3+
2
[OH|SO
 
4
|PO
 
4
]·6H
 
2
O
8.DB.10Vashegyite
Al
 
11
[(OH)
 
6
|(PO
 
4
)
 
9
] · 38H
 
2
O
8.DB.15Schoonerite
ZnMn
2+
 
Fe
2+
2
Fe
3+
 
(PO
 
4
)
 
3
(OH)
 
2
 · 9H
 
2
O
8.DB.20Sinkankasite
H
 
2
Mn
2+
 
Al[OH|(PO
 
4
)
 
2
] · 6H
 
2
O
8.DB.25Mitryaevaite
Al
 
6
(PO
 
4
)[(P,S)O
 
3
(OH,O)]
 
2
F
 
2
(OH)
 
2
(H
 
2
O)
 
8
· 6.5H
 
2
O
8.DB.30Sanjuanite
Al
 
2
[OH|SO
 
4
|PO
 
4
] · 9H
 
2
O
8.DB.35Sarmientite
Fe
3+
2
[OH|SO
 
4
|AsO
 
4
] · 5H
 
2
O
8.DB.40Bukovskýite
Fe
3+
2
[OH|SO
 
4
|AsO
 
4
] · 7H
 
2
O
8.DB.45Zýkaite
Fe
3+
4
[OH|SO
 
4
|(AsO
 
4
)
 
3
] · 15H
 
2
O
8.DB.50Giniite
Fe
2+
 
Fe
3+
4
[(OH)
 
5
|(PO
 
4
)
 
3
] · 2H
 
2
O
8.DB.55Sasaite
(Al,Fe
3+
 
)
 
14
[(OH)
 
7
|SO
 
4
|(PO
 
4
)
 
11
] · 83H
 
2
O
8.DB.60Mcauslanite
HFe
2+
3
Al
 
2
[F|(PO
 
4
)
 
4
] · 18H
 
2
O
8.DB.70Birchite
Cd
 
2
Cu
 
2
(PO
 
4
)
 
2
(SO
 
4
)·5H
 
2
O
8.DB.75Braithwaiteite
NaCu
 
5
(TiSb)
 
2
O
 
2
(AsO
 
4
)[AsO
 
3
(OH)]
 
2
 ·8H
 
2
O

Other Names for Goldquarryite

Synonyms:
IMA2001-058
Other Languages:
Russian:Голдкварриит

Other Information

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

References for Goldquarryite

Reference List:Mineralogical Record (2003): 34(3): 237-240.

Internet Links for Goldquarryite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Goldquarryite in the Natural History Museum (London) online catalogue
  • Goldquarryite details from Handbook of Mineralogy (PDF)
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    Localities for Goldquarryite

    (TL) indicates type locality. ? 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.
    USA
     
    • Nevada
      • Eureka Co.
        • Maggie Creek District
    		Min Rec 34:3 pp237-240
    Mineral and/or Locality
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