Gahnite and Cancrinite Physical Properties

Gahnite

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

4.00-4.622.42-2.52

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct parting on [111]

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

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Gahnite and Cancrinite Chemical Formula

While comparing Gahnite 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 Gahnite and Cancrinite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael 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

Compare Blue Gemstones

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Gahnite Vs Howlite

Gahnite Vs Hydrogrossular

Gahnite and Cancrinite Specific Gravity

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