Datolite and Bertrandite Physical Properties

Datolite

Bertrandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.002.59-2.60

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None

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

1.7 Mohs Hardness

5-5.56-7

2 10

1.8 Chemical Composition

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Datolite and Bertrandite Chemical Formula

While comparing Datolite 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 Datolite and Bertrandite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Datolite Vs Emerald

Datolite Vs Elaeolite

Datolite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.