Chlorastrolite and Fluorite Physical Properties

Chlorastrolite

Fluorite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.53.00-3.25

1 7.18

1.5 Fracture

Granular

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5-64

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

CaF₂

Chlorastrolite and Fluorite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Fluorite chemical formula.

Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Fluorite- CaF₂

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Chlorastrolite and Fluorite Specific Gravity

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