Ajoite and Cassiterite Physical Properties

Ajoite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.966.86-7.03

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

1.6 Cleavage

Perfect on {010}

{100} imperfect, {110} indistinct; partings on {111} or {011}

1.7 Mohs Hardness

56-7

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Cassiterite Chemical Formula

While comparing Ajoite and Cassiterite 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 Cassiterite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ajoite and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.