Fluorite and Cuprite Physical Properties

Fluorite

Cuprite

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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

3.00-3.255.85-6.15

1 7.18

1.5 Fracture

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

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

Fair in four directions forming octahedrons

1.7 Mohs Hardness

43.5-4

2 10

1.8 Chemical Composition

CaF₂

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fluorite and Cuprite Chemical Formula

While comparing Fluorite and Cuprite 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 Cuprite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Fluorite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.