Fluorite and Dioptase Physical Properties

Fluorite

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.25-3.35

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Perfect in three directions

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Dioptase Chemical Formula

While comparing Fluorite and Dioptase 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 Dioptase chemical formula.

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

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Fluorite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.