Smoky Quartz and Zinnwaldite Physical Properties

Smoky Quartz

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.9-3.1

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{0110} Indistinct

Perfect basal {001}

1.7 Mohs Hardness

73.5-4.0

2 10

1.8 Chemical Composition

SiO₂

Not Available

Smoky Quartz and Zinnwaldite Chemical Formula

While comparing Smoky Quartz and Zinnwaldite 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 Zinnwaldite chemical formula.

Chemical formula of Smoky Quartz- SiO₂

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Smoky Quartz and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.