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Augelite
Augelite

Charlesite
Charlesite



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Augelite
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Charlesite

Augelite and Charlesite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.70-2.751.79
1 7.18
👆🏻

Fracture

Conchoidal
Irregular/uneven

Cleavage

From the Greek for luster, for its pearly luster on the cleavage.
Perfect on {10bar10}

Mohs Hardness

4.5-52.5
2 10
👆🏻

Chemical Composition

Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Augelite and Charlesite Chemical Formula

While comparing Augelite and Charlesite 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 Charlesite chemical formula.

  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Augelite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 1.79 whereas that of Charlesite is 1.79.