Sillimanite and Cavansite Physical Properties

Sillimanite

Cavansite

Add ⊕

1 Physical Properties

1.1 Tenacity

Tough

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.262.25-2.33

1 7.18

1.5 Fracture

Splintery

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{010} perfect

Good on {010}

1.7 Mohs Hardness

6-7.53-4

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Ca(VO)Si4O10•4(H2O)

Sillimanite and Cavansite Chemical Formula

While comparing Sillimanite and Cavansite 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 Sillimanite and Cavansite chemical formula.

Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

Compare Blue Gemstones

Sillimanite Vs Strontium Titanate

Sillimanite Vs Starlite

Sillimanite Vs Tanzanite

Sillimanite and Cavansite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sillimanite and Cavansite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Cavansite Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is 2.25-2.33 whereas that of Cavansite is 2.25-2.33.