Datolite and Sylvite Physical Properties

Datolite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.001.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

5-5.52.5

2 10

1.8 Chemical Composition

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

Not Available

Datolite and Sylvite Chemical Formula

While comparing Datolite 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 Datolite and Sylvite chemical formula.

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

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Datolite and Sylvite Specific Gravity

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