Cassiterite and Andalusite Physical Properties

Cassiterite

Andalusite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.033.05-3.21

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good on {110}, poor on {100}

1.7 Mohs Hardness

6-77.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Cassiterite and Andalusite Chemical Formula

While comparing Cassiterite and Andalusite 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 Cassiterite and Andalusite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Red Gemstones

Cassiterite Vs Cinnabar

Cassiterite Vs Chrome-Chalcedony

Cassiterite Vs Chrome Tourmaline

Cassiterite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.