Forsterite and Realgar Physical Properties

Forsterite

Realgar

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.23-3.263.56

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

Perfect on {010} imperfect on {100}

{010} Good

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

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

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Forsterite and Realgar Chemical Formula

While comparing Forsterite and Realgar 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 Forsterite and Realgar chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Forsterite Vs Hackmanite

Forsterite and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 3.56 whereas that of Realgar is 3.56.