Sylvite and Datolite Physical Properties

Sylvite

Datolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.90-3.00

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

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

None

1.7 Mohs Hardness

2.55-5.5

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Datolite Chemical Formula

While comparing Sylvite and Datolite 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 Sylvite and Datolite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sylvite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.