Diamond and Andalusite Physical Properties

Diamond

Andalusite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.50-3.533.05-3.21

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

111 (perfect in four directions)

Good on {110}, poor on {100}

1.7 Mohs Hardness

107.5

2 10

1.8 Chemical Composition

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

Diamond and Andalusite Chemical Formula

While comparing Diamond 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 Diamond and Andalusite chemical formula.

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

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Diamond and Andalusite Specific Gravity

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