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Bastnasite
Bastnasite

Sheen Obsidian
Sheen Obsidian



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Bastnasite
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Sheen Obsidian

Bastnasite and Sheen Obsidian Physical Properties

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 O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
2.33-2.50
Conchoidal
None
5-5.5
Volcanic glass

Bastnasite and Sheen Obsidian Chemical Formula

While comparing Bastnasite and Sheen Obsidian 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 Sheen Obsidian chemical formula.

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Bastnasite and Sheen Obsidian Specific Gravity

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