Obsidian and Bastnasite Physical Properties

Obsidian

Bastnasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.35-2.604.95-5.0

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Uneven

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5-5.54-5

2 10

1.8 Chemical Composition

Not Available

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

Obsidian and Bastnasite Chemical Formula

While comparing Obsidian 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 Obsidian and Bastnasite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Obsidian and Bastnasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.