Sardonyx and Colemanite Physical Properties

Sardonyx

Colemanite

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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

2.55-2.702.40-2.42

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

6.5-74.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sardonyx and Colemanite Chemical Formula

While comparing Sardonyx and Colemanite 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 Sardonyx and Colemanite chemical formula.

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

Compare Blue Gemstones

Sardonyx Vs Star Ruby

Sardonyx Vs Sodalite

Sardonyx Vs Spinel

Sardonyx and Colemanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.