Fluorite and Bertrandite Physical Properties

Fluorite

Bertrandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.252.59-2.60

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

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

1.7 Mohs Hardness

46-7

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Bertrandite Chemical Formula

While comparing Fluorite 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 Fluorite and Bertrandite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Fluorite and Bertrandite Specific Gravity

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