Euclase and Sillimanite Physical Properties

Euclase

Sillimanite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.08-3.123.20-3.26

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic

Splintery

1.6 Cleavage

{010} Perfect

{010} perfect

1.7 Mohs Hardness

7.56-7.5

2 10

1.8 Chemical Composition

BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Euclase and Sillimanite Chemical Formula

While comparing Euclase and Sillimanite 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 Euclase and Sillimanite chemical formula.

Chemical formula of Euclase- BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Euclase and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Euclase and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Euclase and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Euclase is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.