Realgar and Riebeckite Physical Properties

Realgar

Riebeckite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.563.28-3.44

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Splintery, Brittle

1.6 Cleavage

{010} Good

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

1.7 Mohs Hardness

Not Available5.0-6.0

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Realgar and Riebeckite Chemical Formula

While comparing Realgar and Riebeckite 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 Riebeckite chemical formula.

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

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Realgar Vs Rutile

Realgar and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.