Rhodolite and Cancrinite Physical Properties

Rhodolite

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

3.842.42-2.52

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

none, may show indistinct parting

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

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Cancrinite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Cancrinite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
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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Rhodolite and Cancrinite Specific Gravity

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