Realgar and Forsterite Physical Properties

Realgar

Forsterite

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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

3.563.23-3.26

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Good

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Realgar and Forsterite Chemical Formula

While comparing Realgar 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 Realgar and Forsterite chemical formula.

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

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Realgar and Forsterite Specific Gravity

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