Realgar and Smoky Quartz Physical Properties

Realgar

Smoky Quartz

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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

{0110} Indistinct

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

SiO₂

Realgar and Smoky Quartz Chemical Formula

While comparing Realgar and Smoky Quartz 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 Smoky Quartz chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Smoky Quartz- SiO₂

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Realgar and Smoky Quartz Specific Gravity

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