Rock Crystal and Cassiterite Physical Properties

Rock Crystal

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

2.656.86-7.03

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

76-7

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

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

Rock Crystal and Cassiterite Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Cassiterite chemical formula.

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

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Rock Crystal Vs Sardonyx

Rock Crystal and Cassiterite Specific Gravity

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