Hibschite and Forsterite Physical Properties

Hibschite

Forsterite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.05-3.083.23-3.26

1 7.18

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Fracture

Uneven, Irregular, Conchoidal

Conchoidal

Cleavage

None

Perfect on {010} imperfect on {100}

Mohs Hardness

6.56.5-7

2 10

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Chemical Composition

Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

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

Hibschite and Forsterite Chemical Formula

While comparing Hibschite 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 Hibschite and Forsterite chemical formula.

Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

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Hibschite and Forsterite Specific Gravity

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