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Pollucite
Pollucite

Spessartine
Spessartine



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Pollucite
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Spessartine

Pollucite and Spessartine 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
 
-
-
-
4.12-4.18
Conchoidal
{???} Distinct
7-7.5
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pollucite and Spessartine Chemical Formula

While comparing Pollucite and Spessartine 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 Spessartine chemical formula.

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Pollucite and Spessartine Specific Gravity

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