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Corundum Var Sapphire

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Watches:
LGM146577

Corundum Var Sapphire

Ex Sasamoto coll., Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Takayama, Nakatsugawa City, Gifu, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4 × 3 cm
Largest Crystal: 
0.30cm
Weight: 
73.00gr
Description

A well-formed, hexagonal shaped sapphire crystal in biotite mica matrix. Nice blueish color. Sapphire from Japan is quite rare.

Comes with nice antique label. Mino Province, one of the old provinces of Japan, covered the southern part of modern-day Gifu Prefecture, where this locality is situated.

Mineral Data
What's on the rock

Corundum

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

Sapphire

Variety Of: 

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Hardness: 
9.0
Formula: 
Al2O3
Hardness: 
0.0

Seller Information

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