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Goldquarryite

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About GoldquarryiteHide

Formula:
CuCd2Al3(PO4)4F2(H2O,F)2 · 10H2O
Colour:
Blue, pale-blue to blue-gray
Lustre:
Vitreous
Hardness:
3 - 4
Specific Gravity:
2.78
Crystal System:
Triclinic
Name:
For the type locality, at the Gold Quarry Mine, Maggie Creek District, Eureka Co., Nevada, USA.
One of the very rare secondary cadmium minerals.
Occurs as isolated sprays of radiating crystals.


Classification of GoldquarryiteHide

Approved
Approval Year:
2001
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

Physical Properties of GoldquarryiteHide

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

Optical Data of GoldquarryiteHide

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

Formula:
CuCd2Al3(PO4)4F2(H2O,F)2 · 10H2O
IMA Formula:
CuCd2Al3(PO4)4F3 · 10H2O

Crystallography of GoldquarryiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 6.777 Å, b = 9.081 Å, c = 10.104 Å
α = 101.4°, β = 104.24°, γ = 102.56°
Ratio:
a:b:c = 0.746 : 1 : 1.113
Unit Cell V:
567.1 ų
Z:
1
Morphology:
Acicular to elongated flattened blades
Twinning:
{001}

Type Occurrence of GoldquarryiteHide

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:

Synonyms of GoldquarryiteHide

Other Language Names for GoldquarryiteHide

Simplified Chinese:氟磷铜镉铝石
Traditional Chinese:氟磷銅鎘鋁石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Hewettite1 photo of Goldquarryite associated with Hewettite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.DB.05DiadochiteFe3+2(PO4)(SO4)(OH) · 5H2OAmor.
8.DB.05Pitticite(Fe, SO4, AsO4, H2O) ?Amor.
8.DB.05DestineziteFe3+2(PO4)(SO4)(OH) · 6H2OTric. 1 : P1
8.DB.10VashegyiteAl11(PO4)9(OH)6 · 38H2OOrth. mmm (2/m 2/m 2/m)
8.DB.15SchooneriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2 · 9H2OOrth. mmm (2/m 2/m 2/m) : Pbam
8.DB.20SinkankasiteMn2+Al(PO3OH)2(OH) · 6H2OTric.
8.DB.25MitryaevaiteAl6(PO4)((P,S)O3(OH,O))2F2(OH)2 · 14.5H2OTric.
8.DB.30SanjuaniteAl2(PO4)(SO4)(OH) · 9H2O
8.DB.35SarmientiteFe3+2(AsO4)(SO4)(OH) · 5H2OMon. 2/m : P21/b
8.DB.40BukovskýiteFe3+2(AsO4)(SO4)(OH) · 9H2OTric. 1 : P1
8.DB.45ZýkaiteFe3+4(AsO4)3(SO4)(OH) · 15H2OOrth.
8.DB.50GiniiteFe2+Fe3+4(PO4)3(OH)5 · 2H2OMon. 2/m : P2/b
8.DB.55Sasaite(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2OOrth.
8.DB.60McauslaniteFe3Al2(PO4)3(PO3OH)F · 18H2OTric.
8.DB.70BirchiteCd2Cu2(PO4)2(SO4) · 5H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.DB.75BraithwaiteiteNaCu5(Ti4+Sb5+)(AsO4)4(HAsO4)2O2 · 8H2OTric. 1 : P1

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 GoldquarryiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mineralogical Record (2003): 34(3): 237-240.
Mark A. Cooper and Frank C. Hawthorne (2004): The crystal structure of goldquarryite, (Cu2+,∅)(Cd,Ca)2Al3(PO4)4F2(H2O)10{(H2O),F}2, a secondary phosphate from the Gold Quarry mine, Eureka County, Nevada, U.S.A. Canadian Mineralogist 42, 753-761.

Internet Links for GoldquarryiteHide

Localities for GoldquarryiteHide

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.
USA (TL)
 
  • Nevada
    • Eureka Co.
      • Carlin Trend
        • Maggie Creek Subdistrict
Min Rec 34:3 pp237-240
Mineral and/or Locality  
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