Colemanite and Sard Physical Properties

Colemanite

Sard

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.40-2.422.58-2.63

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect, {001} Distinct

Not Available

1.7 Mohs Hardness

4.56.5-7

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Colemanite and Sard Chemical Formula

While comparing Colemanite and Sard 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 Sard chemical formula.

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

Compare Colorless Gems

Colemanite Vs Datolite

Colemanite Vs Diaspore

Colemanite Vs Cubic Zirconia

Colemanite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Colemanite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Sard Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 2.58-2.63 whereas that of Sard is 2.58-2.63.