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Rock Crystal & Siderite

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MGR756933

Rock Crystal & Siderite

Description Tabs

Description
Locality: 
Iouriren Mine, Akka, Tiznit Province, Souss-Massa Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.2 × 4.8 × 5.4 cm
Description

Very rare material. Light - partly milky; partly transparent -  sharp termianted and lustrous quartz crystals between well developed siderite crystals. Rare and good combination - and even for Morocco a very uncommon specimen.

Mineral Data
What's on the rock

Rock Crystal

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
Hardness: 
0.0

Siderite

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