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Sillimanite
Sillimanite
☒

Pyrope Spessartine
Pyrope Spessartine
☒



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Sillimanite
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Pyrope Spessartine

Sillimanite and Pyrope Spessartine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.62-4.33
Uneven
None
7-7.5
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Sillimanite and Pyrope Spessartine Chemical Formula

While comparing Sillimanite and Pyrope 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 Sillimanite and Pyrope Spessartine chemical formula.

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Sillimanite and Pyrope Spessartine Specific Gravity

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