Smoky Quartz and Kyanite Physical Properties

Smoky Quartz

Kyanite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.53-3.65

1 7.18

1.5 Fracture

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

Splintery, Brittle, Metallic

1.6 Cleavage

{0110} Indistinct

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

74-7

2 10

1.8 Chemical Composition

SiO₂

Not Available

Smoky Quartz and Kyanite Chemical Formula

While comparing Smoky Quartz and Kyanite 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 Kyanite chemical formula.

Chemical formula of Smoky Quartz- SiO₂

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Smoky Quartz and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.