Cavansite and Realgar Physical Properties

Cavansite

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

2.25-2.333.56

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

(e.g. graphite).

1.6 Cleavage

Good on {010}

{010} Good

1.7 Mohs Hardness

3-4Not Available

2 10

1.8 Chemical Composition

Ca(VO)Si4O10•4(H2O)

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Cavansite and Realgar Chemical Formula

While comparing Cavansite 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 Cavansite and Realgar chemical formula.

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

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Cavansite and Realgar Specific Gravity

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