Colemanite and Dioptase Physical Properties

Colemanite

Dioptase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.40-2.423.25-3.35

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

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

1.6 Cleavage

{010} Perfect, {001} Distinct

Perfect in three directions

1.7 Mohs Hardness

4.55

2 10

1.8 Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Colemanite and Dioptase Chemical Formula

While comparing Colemanite 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 Colemanite and Dioptase chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael 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 Colorless Gems

Colemanite Vs Diaspore

Colemanite Vs Datolite

Colemanite Vs Cubic Zirconia

Colemanite and Dioptase Specific Gravity

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