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Siderite Chalcopyrite & Quartz

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CLB591918

Siderite Chalcopyrite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Baia Sprie Mine, Baia Sprie, Maramureș County, Romania
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 8 × 4.2 cm
Weight: 
541.00gr
Description

Very nice, almost botryoidal rosettes of pale brown siderite crystals on a vuggy specimen with chalcopyrite (partly tarnished crystals) and quartz.

Could be easily trimmed into two nice pieces.

Mineral Data
What's on the rock

Siderite

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

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Quartz

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

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