Bertrandite and Bloodstone Heliotrope Physical Properties

Bertrandite

Bloodstone Heliotrope

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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

2.59-2.602.55-2.70

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

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

SiO 2Arthur Thomas , Gemstones (2009)

Bertrandite and Bloodstone Heliotrope Chemical Formula

While comparing Bertrandite and Bloodstone Heliotrope 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 Bloodstone Heliotrope chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)

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Bertrandite and Bloodstone Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Bloodstone Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Bloodstone Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 2.55-2.70 whereas that of Bloodstone Heliotrope is 2.55-2.70.