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Schorl & Quartz

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MGR835223

Schorl & Quartz

Description Tabs

Description
Locality: 
Haramosh Mountains, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2.6 × 2.5 cm
Description

The schorl crystal is raising up vertically, it ois razor sharp termianted, end-pointed and very glossy. It is set on sparkling, sharp and doble terminated quartz crystals with minor matrix. Well balanced, fine quality, no significant damages.

Mineral Data
What's on the rock

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0

Quartz

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