Realgar and Cavansite Physical Properties

Realgar

Cavansite

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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

3.562.25-2.33

1 7.18

1.5 Fracture

(e.g. graphite).

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{010} Good

Good on {010}

1.7 Mohs Hardness

Not Available3-4

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Ca(VO)Si4O10•4(H2O)

Realgar and Cavansite Chemical Formula

While comparing Realgar and Cavansite 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 Cavansite chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

Compare Red Gemstones

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Realgar Vs Ruby

Realgar and Cavansite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Cavansite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Cavansite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 2.25-2.33 whereas that of Cavansite is 2.25-2.33.