Realgar and Dallasite Physical Properties

Realgar

Dallasite

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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

3.562.58-2.91

1 7.18

1.5 Fracture

(e.g. graphite).

Not Available

1.6 Cleavage

{010} Good

Not Available

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Realgar and Dallasite Chemical Formula

While comparing Realgar and Dallasite 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 Dallasite chemical formula.

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

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Realgar and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.