Cassiterite and Dioptase Physical Properties

Cassiterite

Dioptase

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Soluble

Durability

Specific Gravity

6.86-7.033.25-3.35

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Conchoidal, ConchoidalWalter Schumann

Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

Perfect in three directions

Mohs Hardness

6-75

2 10

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Chemical Composition

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

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

Cassiterite and Dioptase Chemical Formula

While comparing Cassiterite 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 Cassiterite and Dioptase chemical formula.

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

Compare Red Gemstones

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Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Dioptase Specific Gravity

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