Kyanite and Microcline Physical Properties

Kyanite

Microcline

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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

3.53-3.652.55-2.63

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Uneven, Uneven, Gems

1.6 Cleavage

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

{001} Perfect, {010} Good

1.7 Mohs Hardness

4-76-6.5

2 10

1.8 Chemical Composition

Not Available

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Kyanite and Microcline Chemical Formula

While comparing Kyanite and Microcline 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 Microcline chemical formula.

Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

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Kyanite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.