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Synthetic Corundum

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Watches:
NST717899

Synthetic Corundum

Gem Crystal

Description Tabs

Description
Locality: 
Not Known
Class: 
Artefact
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 0.9 cm
Description

A set of a synthetic colorchange (green to violet) sapphire boule and a faceted synthetic colorchange sapphire. Both were produced through Verneuil's flame fusion process.

1.) synthetic sapphire boule: 2.5 x 1.5 x 0.9 cm

2.) faceted synthetic sapphire: 0.9 x 0.5 x 0.3 cm

Mineral Data
What's on the rock

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
9.0
Streak: 
White