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Quartz & Psilomelane

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MGR583467

Quartz & Psilomelane

Description Tabs

Description
Locality: 
Alnif, Tinghir Province, Drâa-Tafilalet Region, Morocco
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 5.8 × 5.4 cm
Description

A very aesthetic specimen, consisting of intergrown, lustrous and sharp quartz crystals. They are partly covered by spherical psilomelan. The main crystal is very exposed. The specimen shows a great contrast of black and white, better in person.

Mineral Data
What's on the rock

Quartz

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