Colemanite and Calcite Physical Properties

Colemanite

Calcite

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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

2.40-2.422.67-2.73

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{010} Perfect, {001} Distinct

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

4.53

2 10

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Colemanite and Calcite Chemical Formula

While comparing Colemanite and Calcite 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 Calcite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

Compare Colorless Gems

Colemanite Vs Datolite

Colemanite Vs Cubic Zirconia

Colemanite Vs Diaspore

Colemanite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Colemanite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.