Kyanite and Sanidine Physical Properties

Kyanite

Sanidine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.652.54-2.61

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

{001} Perfect, {010} Good

1.7 Mohs Hardness

4-76

2 10

1.8 Chemical Composition

Not Available

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Kyanite and Sanidine Chemical Formula

While comparing Kyanite and Sanidine 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 Sanidine chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Kyanite Vs Swiss blue topaz

Kyanite Vs Blue quartz

Kyanite Vs Kashmir sapphire

Kyanite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.