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Spinel

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CR587230

Spinel

Description Tabs

Description
Locality: 
Aldan, Aldan Shield, Sakha Republic, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 8 × 5 cm
Largest Crystal: 
4.00cm
Description

This equant, sharp spinel crystal is measuring 4.25 cm across and beautifully terminated.

It is totally complete except for a few minor contacts of attached matrix on back, and floats freestanding on matrix! It has a rich "satiny" lustre.

This locality historically produced spinels of this caliber, but I had never seen one of such size and in any case they came out 20 years and more ago.

Attractive specimen from Armin Wendland collection.

Mineral Data
What's on the rock

Spinel

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