Fluorite and Erythrite Physical Properties

Fluorite

Erythrite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.06

1 7.18

1.5 Fracture

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

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

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

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

4Not Available

2 10

1.8 Chemical Composition

CaF₂

Co3(AsO4)2•8(H2O)

Fluorite and Erythrite Chemical Formula

While comparing Fluorite and Erythrite 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 Erythrite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Fluorite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.06 whereas that of Erythrite is 3.06.