Dioptase and Poldervaartite Physical Properties

Dioptase

Poldervaartite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.352.91

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

Perfect in three directions

None

1.7 Mohs Hardness

5Not Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Dioptase and Poldervaartite Chemical Formula

While comparing Dioptase and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Compare Green Gemstones

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Dioptase Vs Feldspar

Dioptase and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 2.91 whereas that of Poldervaartite is 2.91.