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Spinel On Calcite

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PDM617718

Spinel On Calcite

Gem Crystal

Description Tabs

Description
Locality: 
Pein Pyit, Mogok, Pyin-Oo-Lwin District, Mandalay, Myanmar (former Burma)
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.6 × 1 cm
Largest Crystal: 
0.40cm
Description

Red transparent crystals of spinel with rounded edges and corners and intense resinous lustre, implanted in a calcite matrix.

Acquired in 1987, it is the specimen #876 of the collection of Dr. Bob Janssens.

Mineral Data
What's on the rock

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0

Calcite

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

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