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Quartz Siderite & Calcite

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MGR679186

Quartz Siderite & Calcite

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.9 × 3.3 × 2.5 cm
Description

A well-formed group of sharp terminated quarz crystals in light smokey-grey color. The silhouette if framed with siderite and snowy white calcite which gives a great contrast to this very aesthetic specimen.

Mineral Data
What's on the rock

Quartz

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

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