Verdite and Bertrandite Physical Properties

Verdite

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

2.80-3.02.59-2.60

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

36-7

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Bertrandite Chemical Formula

While comparing Verdite 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 Verdite and Bertrandite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Verdite Vs Yttrium Aluminium Garnet

Verdite Vs White Opal

Verdite Vs Zircon

Verdite and Bertrandite Specific Gravity

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