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Datolite With Topaz & Quartz

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KRM519964

Datolite With Topaz & Quartz

Description Tabs

Description
Locality: 
Doko, Basha Valley, Skardu, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
4.5 × 10 × 8 cm
Description

A very good nice combination specimen of well terminated datolite  , well  topaz & quartz .

No damage.

Very hard to find.

Mineral Data
What's on the rock

Datolite

Formula: 
Ca(HBSiO5)
Strunz: 
9.AJ.20
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Nødebro Mine (Nøddebro), Arendal Iron Mines, Arendal, Aust-Agder, Norway

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Quartz

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