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Ruby
Ruby

Tanzanite
Tanzanite



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Ruby
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Tanzanite

Ruby and Tanzanite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
Hard

Specific Gravity

3.97-4.053.35
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

No true cleavage
Perfect {010}, imperfect {100}

Mohs Hardness

96.5-7
2 10
👆🏻

Chemical Composition

Al 2 O 3
Ca2Al3(SiO4)3(OH)

Ruby and Tanzanite Chemical Formula

While comparing Ruby 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 Ruby and Tanzanite chemical formula.

  • Chemical formula of Ruby- Al 2 O 3
  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Ruby and Tanzanite Specific Gravity

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