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Calcite Siderite & Quartz

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SCH107846

Calcite Siderite & Quartz

Description Tabs

Description
Locality: 
Dalnegorsk, Primorskiy Kray, Russian Federation
Size Range: 
Cabinet (10-18 cm)
Size: 
10.6 × 5.1 × 2 cm
Description

A nice specimen of calcite rhombs covered by a thin layer of brown siderite. There is another calcite generation of small transparent calcite rhombs covering some parts of the siderite associated with small quartz.

Mineral Data
What's on the rock

Calcite

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

Siderite

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

Quartz

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

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