Charlesite and Forsterite Physical Properties

Charlesite

Forsterite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.793.23-3.26

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Perfect on {10bar10}

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

2.56.5-7

2 10

1.8 Chemical Composition

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

Mg 2SiO 4Michael OâDonoghue , 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 OâDonoghue , Gems, Sixth Edition (2006)

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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.