Aragonite and Fluorite Physical Properties

Aragonite

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

2.93-2.963.00-3.25

1 7.18

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Fracture

Subconchoidal, Conchoidal

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

Distinct on {010}, imperfect {110} and {011}

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

Mohs Hardness

3.5-44

2 10

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Chemical Composition

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaF₂

Aragonite and Fluorite Chemical Formula

While comparing Aragonite and Fluorite 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 Aragonite and Fluorite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorite- CaF₂

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Aragonite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.