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Pollucite
Pollucite

Shigaite
Shigaite



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Pollucite
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Shigaite

Pollucite and Shigaite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Readily soluble in HF
-
2.86-2.94
Conchoidal, Uneven
None observed
6.5-7
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4

Pollucite and Shigaite Chemical Formula

While comparing Pollucite and Shigaite 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 Pollucite and Shigaite chemical formula.

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Pollucite and Shigaite Specific Gravity

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