Fluorite and Phenakite Physical Properties

Fluorite

Phenakite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

3.00-3.252.90-2.98

1 7.18

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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann

Conchoidal, ConchoidalWalter Schumann

Cleavage

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

Distinct on {11 2 0}, imperfect on {10 1 1}

Mohs Hardness

47.5-8

2 10

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Chemical Composition

CaF₂

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fluorite and Phenakite Chemical Formula

While comparing Fluorite and Phenakite 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 Phenakite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Fluorite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.