Fuchsite and Bertrandite Physical Properties

Fuchsite

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

2.77-2.882.59-2.60

1 7.18

1.5 Fracture

Uneven

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect basal

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

1.7 Mohs Hardness

2.56-7

2 10

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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

Fuchsite and Bertrandite Chemical Formula

While comparing Fuchsite 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 Fuchsite and Bertrandite chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Fuchsite and Bertrandite Specific Gravity

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