Bertrandite and Friedelite Physical Properties

Bertrandite

Friedelite

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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

2.59-2.603.06-3.19

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

6-74-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Bertrandite and Friedelite Chemical Formula

While comparing Bertrandite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Bertrandite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.