Cancrinite and Nuummite Physical Properties

Cancrinite

Nuummite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.42-2.523.18-3.37

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

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

Perfect on 210

1.7 Mohs Hardness

5-65.5-6

2 10

1.8 Chemical Composition

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

Not Available

Cancrinite and Nuummite Chemical Formula

While comparing Cancrinite and Nuummite 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 Cancrinite and Nuummite chemical formula.

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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Cancrinite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cancrinite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cancrinite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Cancrinite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.