Fluorite and Albite Physical Properties

Fluorite

Albite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

3.00-3.252.60-2.65

1 7.18

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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann

Uneven, Conchoidal

Cleavage

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

Perfect on {001}, very good on {010}, imperfect on {110}

Mohs Hardness

46-6.5

2 10

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Chemical Composition

CaF₂

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Fluorite and Albite Chemical Formula

While comparing Fluorite and Albite 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 Albite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fluorite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Albite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 2.60-2.65 whereas that of Albite is 2.60-2.65.