Realgar and Prasiolite Physical Properties

Realgar

Prasiolite

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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

3.562.65

1 7.18

1.5 Fracture

(e.g. graphite).

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{010} Good

3,1

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2Ulrich Henn and Claudio C.

Realgar and Prasiolite Chemical Formula

While comparing Realgar and Prasiolite 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 Prasiolite chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Realgar and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Realgar is 2.65 whereas that of Prasiolite is 2.65.