Ajoite and Colemanite Physical Properties

Ajoite

Colemanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.40-2.42

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

54.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Colemanite Chemical Formula

While comparing Ajoite 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 Ajoite and Colemanite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ajoite and Colemanite Specific Gravity

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