Bastnasite and Staurolite Physical Properties

Bastnasite

Staurolite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

4.95-5.0

Uneven

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

4-5

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

Brittle

3.7-3.8

Subconchoidal, Conchoidal

Distinct on {010}

7-7.5

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Bastnasite and Staurolite Chemical Formula

While comparing Bastnasite and Staurolite 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 Staurolite chemical formula.

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Bastnasite and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite Vs Staurolite during the identification of gemstone. Specific gravity of Bastnasite is whereas that of Staurolite is .