Anorthite and Cancrinite Physical Properties

Anorthite

Cancrinite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.772.42-2.52

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Perfect [001] good [010] poor [110]

Perfect on {10 1 0}, poor on {0001}

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

Anorthite and Cancrinite Chemical Formula

While comparing Anorthite and Cancrinite 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 Anorthite and Cancrinite chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cancrinite- Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Anorthite and Cancrinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Cancrinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Cancrinite Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 2.42-2.52 whereas that of Cancrinite is 2.42-2.52.