Dioptase and Fluorite Physical Properties

Dioptase

Fluorite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.353.00-3.25

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

Perfect in three directions

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaF₂

Dioptase and Fluorite Chemical Formula

While comparing Dioptase and Fluorite 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 Dioptase and Fluorite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorite- CaF₂

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Dioptase and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.