Charoite and Bertrandite Physical Properties

Charoite

Bertrandite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.54-2.78

Conchoidal

Good in three directions

5-6

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

2.59-2.60

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

6-7

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

Charoite and Bertrandite Chemical Formula

While comparing Charoite and Bertrandite 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 Charoite and Bertrandite chemical formula.

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Charoite and Bertrandite Specific Gravity

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