Cancrinite and Fluorite Physical Properties

Cancrinite

Fluorite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.42-2.523.00-3.25

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

5-64

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

CaF₂

Cancrinite and Fluorite Chemical Formula

While comparing Cancrinite and Fluorite 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 Fluorite 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
Chemical formula of Fluorite- CaF₂

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Cancrinite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cancrinite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cancrinite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Cancrinite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.