Bertrandite and Gahnospinel Physical Properties

Bertrandite

Gahnospinel

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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

2.59-2.603.65-4.55

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None, but may exhibit slight parting

1.7 Mohs Hardness

6-77.5-8

2 10

1.8 Chemical Composition

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

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Bertrandite and Gahnospinel Chemical Formula

While comparing Bertrandite and Gahnospinel 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 Gahnospinel chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Bertrandite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.