Kyanite and Quartz Physical Properties

Kyanite

Quartz

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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

3.53-3.65

2.65

1.5 Fracture

Splintery, Brittle, Metallic

Conchoidal, Conchoidal, Brittle, Gems

1.6 Cleavage

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

{0110} Indistinct

1.7 Mohs Hardness

4-7

1.8 Chemical Composition

Not Available

SiO₂

Kyanite and Quartz Chemical Formula

While comparing Kyanite and 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 Kyanite and Quartz chemical formula.

Chemical formula of Quartz- SiO₂

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Kyanite and Quartz Specific Gravity

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