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Barquillite

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Formula:
Cu
 
2
CdGeS
 
4
System:TetragonalLustre:Metallic
Hardness:4 - 4½
Name:Named after Barquilla, a village near the discovery locality, the Fuentes Villanas Mine, Barquilla Sn-Ge-Cd-Cu-Fe deposit, Salamanca, Castile and Leon, Spain.
This page provides mineralogical data about Barquillite.

Classification of Barquillite

IMA status:Approved
Strunz 8th edition ID:2/C.06-45
Nickel-Strunz 10th (pending) edition ID:2.KA.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
K : Sulfarsenates, Sulfantimonates
A : Sulfarsenates with (As,Sb)S4 tetrahedra
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Type Occurrence of Barquillite

Type Locality:Fuentes Villanas Mine, Barquilla Sn-Ge-Cd-Cu-Fe Deposit, Salamanca, Castile and Leon, Spain

Physical Properties of Barquillite

Lustre:Metallic
Hardness (Mohs):4 - 4½

Crystallography of Barquillite

Crystal System:Tetragonal

Chemical Properties of Barquillite

Formula:
Cu
 
2
CdGeS
 
4
Essential elements:Cd, Cu, Ge, S
All elements listed in formula:Cd, Cu, Ge, S

Relationship of Barquillite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.KA.05Enargite
Cu
 
3
AsS
 
4
2.KA.05Petrukite
(Cu,Fe,Zn,Ag)
 
3
(Sn,In)S
 
4
2.KA.10Briartite
Cu
 
2
(Fe,Zn)GeS
 
4
2.KA.10Famatinite
Cu
 
3
SbS
 
4
2.KA.10Luzonite
Cu
 
3
AsS
 
4
2.KA.10Permingeatite
Cu
 
3
SbSe
 
4
2.KA.15Fangite
Tl
 
3
AsS
 
4

Other Names for Barquillite

Synonyms:
IMA1996-050
Other Languages:
German:Barquillit
Russian:Баркиллит
Spanish:Barquillita

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 Barquillite

Reference List:

- +
European Journal of Mineralogy: 11: 111-117.

Internet Links for Barquillite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Barquillite details from Handbook of Mineralogy (PDF)
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    • Localities for Barquillite

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    (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.
    Spain
     
    • Castile and Leon
      • Salamanca
        • Barquilla Sn-Ge-Cd-Cu-Fe Deposit
    		EJM 11 (1999), 111; AM 84 (1999), 1464; MR 30 (1999), 399
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