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Calcite & Vesuvianite

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MGR771213

Calcite & Vesuvianite

Floater

Description Tabs

Description
Locality: 
Alchuri, Shigar District, Gilgit-Baltistan, Pakistan
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.7 × 3.5 cm
Description

A huge calcite crystal with partly glossy faces, it is developed as floater, the backside is etched. The really interesting indicator is the combination with several inter-grown andradite crystals. They are partly glossy and show some sharp faces, edges are mostly stepped. No significant damages to report.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Vesuvianite

Formula: 
(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Strunz: 
9.BG.35
Hardness: 
6.5
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy