Kyanite and Allanite Physical Properties

Kyanite

Allanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.653.40-4.20

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4-7Not Available

2 10

1.8 Chemical Composition

Not Available

Kyanite and Allanite Chemical Formula

While comparing Kyanite and Allanite 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 Allanite chemical formula.

Compare Blue Gemstones

Kyanite Vs Blue quartz

Kyanite Vs Kashmir sapphire

Kyanite Vs Swiss blue topaz

Kyanite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.