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Siegenite With Calcite & Galena

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PJM138445

Siegenite With Calcite & Galena

Description Tabs

Description
Locality: 
Sweetwater Mine, Ellington, Reynolds County, Missouri, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 6 × 5.8 cm
Description

A fine specimen with bright silvery crystal of siegenite associated with calcite and well developed galena crystals. This is an older specimen from the section of the Sweetwater Mine known as the Milliken Mine in the Viburnum Trend District of Reynolds County Missouri. This is a very stable specimen with the siegenite retaining their bright brassy silver lustre.

 

 

Mineral Data
What's on the rock

Siegenite

Formula: 
CoNi2S4
Strunz: 
2.DA.05
Hardness: 
4.5 - 5.5
Type Locality: 
Stahlberg Mine (Schwabengrube), Müsen, Siegerland, North Rhine-Westphalia, Germany

Calcite

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

Galena

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

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