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Adamite
Adamite

Sapphire
Sapphire



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Adamite
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Sapphire

Adamite and Sapphire Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
insoluble

Durability

-
-

Specific Gravity

4.32-4.483.95-4.03
1 7.18
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Fracture

Uneven, Subconchoidal, Conchoidal
Uneven

Cleavage

{101}, good; {010}, poor
None, but may exhibit parting

Mohs Hardness

3.59
2 10
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Chemical Composition

Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
Al 2 O 3

Adamite and Sapphire Chemical Formula

While comparing Adamite and Sapphire 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 Adamite and Sapphire chemical formula.

  • Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
  • Chemical formula of Sapphire- Al 2 O 3

Adamite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Adamite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.