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Baryte & Calcite

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MGR603855

Baryte & Calcite

Description Tabs

Description
Locality: 
Elk Creek, Meade County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 4.5 × 4.2 cm
Description

Famous material from Elk Creek! This material is really rare and hard to obtain! The dark matrix is covered with dull, yellow calcite. The assemble is perfect - the barite crystal (17mm all) is set in the center of the piece and it is freestanding! The color is brownish, faces are very glossy with amazing texture, the crystal is water-clear. No significant damages to report.

Mineral Data
What's on the rock

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

Calcite

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