Danburite and Sylvite Physical Properties

Danburite

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

2.97-3.031.993

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Uneven, Brittle

1.6 Cleavage

{001} Poor

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

1.7 Mohs Hardness

72.5

2 10

1.8 Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Danburite and Sylvite Chemical Formula

While comparing Danburite 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 Danburite and Sylvite chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Danburite and Sylvite Specific Gravity

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