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Calcite On Quartz & Sphalerite

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PJM47951

Calcite On Quartz & Sphalerite

Description Tabs

Description
Locality: 
Tulloch Silver Mine, Rockvale, Clarke County, New South Wales, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.6 × 2.1 cm
Description

Translucent calcite rhombs stacked on their edge over a matrix of small quartz crystals with a pyrrhotite blade and black sphalerite crystals from this little known and short lived  silver mine that operated in the early 1970's near Rockdale, 35klm from Armidale.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Sphalerite

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

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