Kyanite and Inderite Physical Properties

Kyanite

Inderite

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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

3.53-3.651.79

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Uneven

1.6 Cleavage

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

{110} Good

1.7 Mohs Hardness

4-72.5

2 10

1.8 Chemical Composition

Not Available

MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Kyanite and Inderite Chemical Formula

While comparing Kyanite and Inderite 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 Inderite chemical formula.

Chemical formula of Inderite- MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Kyanite Vs Swiss blue topaz

Kyanite and Inderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Inderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Inderite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 1.79 whereas that of Inderite is 1.79.