Iolite and Kyanite Physical Properties

Iolite

Kyanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.73.53-3.65

1 7.18

1.5 Fracture

Not Available

Splintery, Brittle, Metallic

1.6 Cleavage

3,1

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

1.7 Mohs Hardness

7-7.54-7

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Not Available

Iolite and Kyanite Chemical Formula

While comparing Iolite 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 Iolite and Kyanite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

Compare Gems for Taurus » More

Iolite Vs Carnelian

Iolite Vs Quartz Rose

Iolite Vs Chrysocolla

» More

More Compare Gems for Taurus

Iolite and Kyanite Specific Gravity

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