Bertrandite and Charoite Physical Properties

Bertrandite

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

2.59-2.602.54-2.78

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{001} Perfect, {110} Distinct, {101} Distinct

Good in three directions

1.7 Mohs Hardness

6-75-6

2 10

1.8 Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Bertrandite and Charoite Chemical Formula

While comparing Bertrandite 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 Bertrandite and Charoite chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
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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Bertrandite and Charoite Specific Gravity

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