Fluorite and Pargasite Physical Properties

Fluorite

Pargasite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

3.00-3.253.04-3.26

1 7.18

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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann

Splintery, Uneven

Cleavage

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

{110} perfect

Mohs Hardness

45-6

2 10

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Chemical Composition

CaF₂

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Fluorite and Pargasite Chemical Formula

While comparing Fluorite and Pargasite 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 Pargasite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fluorite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.