Sillimanite and Apache Tear Physical Properties

Sillimanite

Apache Tear

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.26Not Available

1 7.18

1.5 Fracture

Splintery

Conchoidal

1.6 Cleavage

{010} perfect

Not Available

1.7 Mohs Hardness

6-7.55-5.5

2 10

1.8 Chemical Composition

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

Not Available

Sillimanite and Apache Tear Chemical Formula

While comparing Sillimanite and Apache Tear 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 Apache Tear chemical formula.

Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sillimanite and Apache Tear Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sillimanite and Apache Tear Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Apache Tear Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is Not Available whereas that of Apache Tear is Not Available.