Bertrandite and Hurlbutite Physical Properties

Bertrandite

Hurlbutite

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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

2.59-2.602.90

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

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

None

1.7 Mohs Hardness

6-76

2 10

1.8 Chemical Composition

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

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Bertrandite and Hurlbutite Chemical Formula

While comparing Bertrandite and Hurlbutite 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 Hurlbutite chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Bertrandite and Hurlbutite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 2.90 whereas that of Hurlbutite is 2.90.