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Siderite

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MEX518923

Siderite

Classic Locality

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.4 × 7.3 × 6.2 cm
Weight: 
623.00gr
Description

A very rich specimen of siderite balls on ore matrix. The paragenesis have here additional chalcopyrite, pyrite, galena and quartz crystals. The chalcopyrite shows the typical brass color. The pyrite are yellow golden with striking crystal faces. And the quartz crystals are milky to translucent.

Mineral Data
What's on the rock

Siderite

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