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Riebeckite
Riebeckite

Tanzanite
Tanzanite



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Riebeckite
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Tanzanite

Riebeckite and Tanzanite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Hard
1.4 Specific Gravity
3.28-3.44
3.35
1.5 Fracture
Uneven, Splintery, Brittle
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Perfect {010}, imperfect {100}
1.7 Mohs Hardness
5.0-6.0
6.5-7
1.8 Chemical Composition
Not Available
Ca2Al3(SiO4)3(OH)

Riebeckite and Tanzanite Chemical Formula

While comparing Riebeckite and Tanzanite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Riebeckite and Tanzanite chemical formula.

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  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Riebeckite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 3.35 whereas that of Tanzanite is 3.35.