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Andalusite
Andalusite

Diamond
Diamond



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Andalusite
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Diamond

Andalusite and Diamond Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.05-3.213.50-3.53
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal, Splintery
Conchoidal

Cleavage

Good on {110}, poor on {100}
111 (perfect in four directions)

Mohs Hardness

7.510
2 10
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Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
C

Andalusite and Diamond Chemical Formula

While comparing Andalusite and Diamond 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 Andalusite and Diamond chemical formula.

  • Chemical formula of Andalusite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
  • Chemical formula of Diamond- C

Andalusite and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.