Bastnasite and Scolecite Physical Properties

Bastnasite

Scolecite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

4.95-5.02.20-2.23

1 7.18

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Fracture

Uneven

Irregular/uneven, Uneven

Cleavage

Imperfect to indistinct on {10 1 0}, parting on {0001}

Perfect on {110} and {1 1 0}

Mohs Hardness

4-55-5.5

2 10

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Chemical Composition

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Bastnasite and Scolecite Chemical Formula

While comparing Bastnasite and Scolecite 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 Bastnasite and Scolecite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Bastnasite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.