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Galena & Sphalerite

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CAM60662

Galena & Sphalerite

Description Tabs

Description
Locality: 
Boulder, Boulder County, Colorado, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 5.5 × 2.3 cm
Largest Crystal: 
1.60cm
Description

A grey,  1.6 cm, galena cube on a matrix of black sphalerite crystals.

Mineral Data
What's on the rock

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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