Diaspore and Cassiterite Physical Properties

Diaspore

Cassiterite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.406.86-7.03

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

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

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Diaspore and Cassiterite Chemical Formula

While comparing Diaspore 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 Diaspore and Cassiterite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Diaspore and Cassiterite Specific Gravity

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