Fluorite and Lazulite Physical Properties

Fluorite

Lazulite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

3.00-3.253.04-3.17

1 7.18

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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann

Uneven

Cleavage

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

{001} Indistinct, {???} Indistinct

Mohs Hardness

45.5

2 10

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Chemical Composition

CaF₂

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Fluorite and Lazulite Chemical Formula

While comparing Fluorite and Lazulite 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 Lazulite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Fluorite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.