Strontianite and Cassiterite Physical Properties

Strontianite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.796.86-7.03

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

3.56-7

2 10

1.8 Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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

Strontianite and Cassiterite Chemical Formula

While comparing Strontianite 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 Strontianite and Cassiterite chemical formula.

Chemical formula of Strontianite- SrCO 3Walter 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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Strontianite and Cassiterite Specific Gravity

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