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Tanzanite
Tanzanite

Dioptase
Dioptase



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Tanzanite and Dioptase Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Hard
Not Available
1.4 Specific Gravity
3.35
3.25-3.35
1.5 Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
Perfect {010}, imperfect {100}
Perfect in three directions
1.7 Mohs Hardness
6.5-7
5
1.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Tanzanite and Dioptase Chemical Formula

While comparing Tanzanite and Dioptase 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 Dioptase chemical formula.

  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Tanzanite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.