Bastnasite and Andesine Physical Properties

Bastnasite

Andesine

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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

4.95-5.02.65-2.69

1 7.18

1.5 Fracture

Uneven

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on {001}, good on {010}

1.7 Mohs Hardness

4-56-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)Al_1-2Si_3-2O₈

Bastnasite and Andesine Chemical Formula

While comparing Bastnasite and Andesine 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 Andesine chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Bastnasite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.