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Quartz & Siderite

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MGR589384

Quartz & Siderite

Description Tabs

Description
Locality: 
Turt Mine, Negrești-Oas, Satu Mare County, Romania
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
15.8 × 15.7 × 7.4 cm
Description

A spectacular assemble of an freestanding quartz crystal set on matrix, covered with brownish siderite. The quartz crystal shows a touch of amethyste color. The entire crystal consists of stepped, but sharp terminated faces. The top as no room grow, it is not broken but didn´t form a sharp end-point. The second crystal is sharp end-pointed. All these uncountable stepped faces are glossy. Caused by size and aesthetic assemble this specimen is very eye-catching and impressive. No significant damages to report.

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