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Spinel

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BMM741791

Spinel

Description Tabs

Description
Locality: 
Ali Abad, Hunza Valley, Hunza District, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 3.7 × 3.3 cm
Description

Crystals of gemmy red spinell on a matrix of marble. The main crystal measures approx 1.4 x 1.3 cm and shows high-glossy faces. As you can see well on the second and fourth photo: the spinell fluorescence with UV light to a very intense red (first photo)! The specimen stands in the displayed position without any support.

Mineral Data
What's on the rock

Spinel

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