Pleonaste and Cancrinite Physical Properties

Pleonaste

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

3.802.42-2.52

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

85-6

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Cancrinite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Cancrinite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
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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Pleonaste and Cancrinite Specific Gravity

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