Fluorite and Diaspore Physical Properties

Fluorite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.30-3.40

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

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

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

46.5-7

2 10

1.8 Chemical Composition

CaF₂

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Fluorite and Diaspore Chemical Formula

While comparing Fluorite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Fluorite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.