Demantoid and Cancrinite Physical Properties

Demantoid

Cancrinite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.77-3.952.42-2.52

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.55-6

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Demantoid and Cancrinite Chemical Formula

While comparing Demantoid 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 Demantoid and Cancrinite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
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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Demantoid and Cancrinite Specific Gravity

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