Achroite and Bastnasite Physical Properties

Achroite

Bastnasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.40

Uneven, ConchoidalWalter Schumann

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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

Achroite and Bastnasite Chemical Formula

While comparing Achroite and Bastnasite 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 Achroite and Bastnasite chemical formula.

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Achroite and Bastnasite Specific Gravity

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