Danburite and Realgar Physical Properties

Danburite

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

2.97-3.033.56

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

(e.g. graphite).

1.6 Cleavage

{001} Poor

{010} Good

1.7 Mohs Hardness

7Not Available

2 10

1.8 Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Danburite and Realgar Chemical Formula

While comparing Danburite 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 Danburite and Realgar chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Danburite and Realgar Specific Gravity

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