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Augelite
Augelite

Sylvite
Sylvite



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Augelite
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Sylvite

Augelite and Sylvite Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.70-2.751.993
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

From the Greek for luster, for its pearly luster on the cleavage.
Perfect on [100], [010], [001]

Mohs Hardness

4.5-52.5
2 10
👆🏻

Chemical Composition

Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
KCl

Augelite and Sylvite Chemical Formula

While comparing Augelite and Sylvite 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 Augelite and Sylvite chemical formula.

  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Sylvite- KCl

Augelite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 1.993 whereas that of Sylvite is 1.993.