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Charlesite
Charlesite

Forsterite
Forsterite



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Charlesite
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Forsterite

Charlesite and Forsterite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.793.23-3.26
1 7.18
👆🏻

Fracture

Irregular/uneven
Conchoidal

Cleavage

Perfect on {10bar10}
Perfect on {010} imperfect on {100}

Mohs Hardness

2.56.5-7
2 10
👆🏻

Chemical Composition

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

Charlesite and Forsterite Chemical Formula

While comparing Charlesite and Forsterite 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 Forsterite chemical formula.

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

Charlesite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charlesite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.