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Tanzanite
Tanzanite

Demantoid
Demantoid



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Tanzanite
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Demantoid

Tanzanite and Demantoid Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Hard
Not Available
1.4 Specific Gravity
3.353.77-3.95
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Not Available
1.6 Cleavage
Perfect {010}, imperfect {100}
Not Available
1.7 Mohs Hardness
6.5-76.5
Amber
2 10
1.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Tanzanite and Demantoid Chemical Formula

While comparing Tanzanite and Demantoid 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 Tanzanite and Demantoid chemical formula.

  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Tanzanite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.