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Coiraite

#BAC64665
SOLD
Coiraite from Pirquitas Ag-Sn Deposit, Rinconada Dept., Jujuy, Argentina - BAC64665
Coiraite from Pirquitas Ag-Sn Deposit, Rinconada Dept., Jujuy, Argentina - BAC64665

Coiraite

#BAC64665
Availability
Sold
Size
2.4 x 1.7 x 2 cm - Thumbnail 
Formula
(Pb,Sn2+)12.5As3Fe2+Sn4+5S28 (RRUFF)
Locality
Pirquitas Ag-Sn Deposit, Rinconada Dept., Jujuy, Argentina
Tagged
sulfide , tin

Microgranular crystals of Coiraite, the arsenic analogue of Franckeite. It is probably associated with Tealite. Originally from the stock of Dr. Jaroslav Hyrsl. It is a very rare tin sulfide found at only three reported deposits.

Type Locality

Coiraite

Formula
(Pb,Sn2+)12.5As3Fe2+Sn4+5S28 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Colloform 
Luster
Metallic 
Color
gray 
Streak
black 
Class
Monoclinic 
Fracture
Brittle 
Hardness
- 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
Special Info
Type Locality
Mineralpedia
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