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Siderite & Calcite

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ESM687966

Siderite & Calcite

Description Tabs

Description
Locality: 
Vekol Mine, Pinal County, Arizona, United States of America
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.8 × 3.5 × 2.9 cm
Description

Sharp and highly lustrous chocolate brown rhombs of siderite with minor clear calcite crystals

Mineral Data
What's on the rock

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Calcite

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