Fluorite and Legrandite Physical Properties

Fluorite

Legrandite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.98-4.04

1 7.18

1.5 Fracture

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

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Imperfect, poor one {100}

1.7 Mohs Hardness

44.5-5

2 10

1.8 Chemical Composition

CaF₂

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fluorite and Legrandite Chemical Formula

While comparing Fluorite and Legrandite 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 Legrandite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Fluorite and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.