Jade and Cancrinite Physical Properties

Jade

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

2.90-3.382.42-2.52

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

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

1.6 Cleavage

1 or 2,2 prismatic.

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

1.7 Mohs Hardness

6-75-6

2 10

1.8 Chemical Composition

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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

Jade and Cancrinite Chemical Formula

While comparing Jade 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 Jade and Cancrinite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
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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Jade and Cancrinite Specific Gravity

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