Baryte and Bertrandite Physical Properties

Baryte

Bertrandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.3-5

2.59-2.60

1.5 Fracture

Irregular/uneven

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect

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

1.7 Mohs Hardness

3-3.5

6-7

1.8 Chemical Composition

Not Available

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

Baryte and Bertrandite Chemical Formula

While comparing Baryte 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 Baryte and Bertrandite chemical formula.

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

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Baryte and Bertrandite Specific Gravity

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