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Pollucite
Pollucite

Blue spinel
Blue spinel



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Pollucite
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Blue spinel

Pollucite and Blue spinel Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Readily soluble in HF
-

Durability

-
-

Specific Gravity

2.86-2.94-9999
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
-

Cleavage

None observed
None

Mohs Hardness

6.5-7-9999
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
MgAl2O4

Pollucite and Blue spinel Chemical Formula

While comparing Pollucite and Blue spinel 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 Blue spinel chemical formula.

  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Blue spinel- MgAl2O4

Pollucite and Blue spinel Specific Gravity

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