Sylvite and Charoite Physical Properties

Sylvite

Charoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.54-2.78

1 7.18

1.5 Fracture

Uneven, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good in three directions

1.7 Mohs Hardness

2.55-6

2 10

1.8 Chemical Composition

Not Available

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sylvite and Charoite Chemical Formula

While comparing Sylvite and Charoite 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 Charoite chemical formula.

Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sylvite and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Charoite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.54-2.78 whereas that of Charoite is 2.54-2.78.