Zincite and Dioptase Physical Properties

Zincite

Dioptase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.50-5.903.25-3.35

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

On {10 1 0}, perfect; parting on {000 1 }

Perfect in three directions

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Zincite and Dioptase Chemical Formula

While comparing Zincite 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 Zincite and Dioptase chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Zincite and Dioptase Specific Gravity

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