Smoky Quartz and Sylvite Physical Properties

Smoky Quartz

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.651.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

{0110} Indistinct

Perfect on [100], [010], [001]

1.7 Mohs Hardness

72.5

2 10

1.8 Chemical Composition

SiO₂

Not Available

Smoky Quartz and Sylvite Chemical Formula

While comparing Smoky Quartz and Sylvite 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 Smoky Quartz and Sylvite chemical formula.

Chemical formula of Smoky Quartz- SiO₂

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Smoky Quartz and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 1.993 whereas that of Sylvite is 1.993.