Kyanite and Sardonyx Physical Properties

Kyanite

Sardonyx

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.652.55-2.70

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

4-76.5-7

2 10

1.8 Chemical Composition

Not Available

SiO 2Ulrich Henn and Claudio C.

Kyanite and Sardonyx Chemical Formula

While comparing Kyanite and Sardonyx 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 Sardonyx chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Compare Blue Gemstones

Kyanite Vs Blue quartz

Kyanite Vs Kashmir sapphire

Kyanite Vs Swiss blue topaz

Kyanite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.