Charlesite and Cassiterite Physical Properties

Charlesite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.796.86-7.03

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

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

1.6 Cleavage

Perfect on {10bar10}

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

1.7 Mohs Hardness

2.56-7

2 10

1.8 Chemical Composition

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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

Charlesite and Cassiterite Chemical Formula

While comparing Charlesite 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 Charlesite and Cassiterite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Charlesite and Cassiterite Specific Gravity

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