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Charlesite
Charlesite

Feldspar
Feldspar



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Charlesite
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Feldspar

Charlesite and Feldspar Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.792.56-2.75
1 7.18
👆🏻

Fracture

Irregular/uneven
Uneven, Conchoidal

Cleavage

Perfect on {10bar10}
two or three

Mohs Hardness

2.56-6.5
2 10
👆🏻

Chemical Composition

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
KAlSi3O8

Charlesite and Feldspar Chemical Formula

While comparing Charlesite and Feldspar 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 Charlesite and Feldspar chemical formula.

  • Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
  • Chemical formula of Feldspar- KAlSi3O8

Charlesite and Feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.