Strontianite and Fluorite Physical Properties

Strontianite

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

3.63-3.793.00-3.25

1 7.18

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Fracture

Uneven, Conchoidal

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

{110} Good

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

Mohs Hardness

3.54

2 10

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Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

CaF₂

Strontianite and Fluorite Chemical Formula

While comparing Strontianite 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 Strontianite and Fluorite chemical formula.

Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Fluorite- CaF₂

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Strontianite and Fluorite Specific Gravity

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