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Tanzanite
Tanzanite

Helenite
Helenite



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Tanzanite
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Helenite

Tanzanite and Helenite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

Hard
-

Specific Gravity

3.35-9999
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
-

Cleavage

Perfect {010}, imperfect {100}
Indiscernible

Mohs Hardness

6.5-7-9999
2 10
👆🏻

Chemical Composition

Ca2Al3(SiO4)3(OH)
SiO2

Tanzanite and Helenite Chemical Formula

While comparing Tanzanite and Helenite 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 Helenite chemical formula.

  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Helenite- SiO2

Tanzanite and Helenite Specific Gravity

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