Hyalite and Kyanite Physical Properties

Hyalite

Kyanite

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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

Not Available3.53-3.65

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Splintery, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5.5-6.54-7

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Not Available

Hyalite and Kyanite Chemical Formula

While comparing Hyalite 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 Hyalite and Kyanite chemical formula.

Chemical formula of Hyalite- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Hyalite and Kyanite Specific Gravity

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