Benitoite and Sylvite Physical Properties

Benitoite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Insoluble: HCl

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.61-3.681.993

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Uneven, Brittle

1.6 Cleavage

[10 1 1] poor

Perfect on [100], [010], [001]

1.7 Mohs Hardness

6-6.52.5

2 10

1.8 Chemical Composition

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Benitoite and Sylvite Chemical Formula

While comparing Benitoite and Sylvite 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 Benitoite and Sylvite chemical formula.

Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Benitoite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Benitoite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 1.993 whereas that of Sylvite is 1.993.