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Quartz Siderite & Pyrite

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MGR860891

Quartz Siderite & Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Turt Mine, Negrești-Oas, Satu Mare County, Romania
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.4 × 15 × 9.9 cm
Description

This is really an amazing piece! A free-standing huge main crystal attarctively set on matrix. Matrix if loaded with tiny siderite crystals and golden pyrite crystals. The quartz crystals are glossy and end-pointed, they show a touch of amethyste color. This material was found decades ago at Turt mine - the locality is famous for this material! Pieces on matrix are exceptional and very hard to obtain - really a mayor piece for each collector of Romanian minerals - well formed, impressive dimension and very aesthetic in various positions.

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5