Vishnevite and Charoite Physical Properties

Vishnevite

Charoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.54-2.78

1 7.18

1.5 Fracture

Brittle, Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect

Good in three directions

1.7 Mohs Hardness

5-65-6

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

Vishnevite and Charoite Chemical Formula

While comparing Vishnevite 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 Vishnevite 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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Vishnevite and Charoite Specific Gravity

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