Apophyllite KF and Cassiterite Physical Properties

Apophyllite KF

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

2.33-2.376.86-7.03

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

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

1.6 Cleavage

Perfect on {001}, imperfect on {110}

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

1.7 Mohs Hardness

4.5-56-7

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

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

Apophyllite KF and Cassiterite Chemical Formula

While comparing Apophyllite KF 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 Apophyllite KF and Cassiterite chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Apophyllite KF Vs Langbeinite

Apophyllite KF Vs Hauyne

Apophyllite KF Vs Nepouite

Apophyllite KF and Cassiterite Specific Gravity

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