Dioptase and Crocoite Physical Properties

Dioptase

Crocoite

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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

3.25-3.355.90-6.10

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

Perfect in three directions

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

52.5-3

2 10

1.8 Chemical Composition

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

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Dioptase and Crocoite Chemical Formula

While comparing Dioptase and Crocoite 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 Crocoite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Dioptase Vs Euclase

Dioptase and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.