Eosphorite and Bertrandite Physical Properties

Eosphorite

Bertrandite

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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

3.05-3.082.59-2.60

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Poor on {100}

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

1.7 Mohs Hardness

56-7

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Eosphorite and Bertrandite Chemical Formula

While comparing Eosphorite 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 Eosphorite and Bertrandite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Eosphorite and Bertrandite Specific Gravity

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