Riebeckite and Realgar Physical Properties

Riebeckite

Realgar

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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

3.28-3.443.56

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

(e.g. graphite).

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

{010} Good

1.7 Mohs Hardness

5.0-6.0Not Available

2 10

1.8 Chemical Composition

Not Available

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Riebeckite and Realgar Chemical Formula

While comparing Riebeckite 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 Riebeckite and Realgar chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Riebeckite and Realgar Specific Gravity

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