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Spessartine
Spessartine
☒

Prehnite
Prehnite
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Spessartine
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Prehnite

Spessartine and Prehnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.12-4.18
Conchoidal
{???} Distinct
7-7.5
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
Brittle
-
-
2.80-2.95
Uneven
Distinct on [001]
6-6.5
Ca2Al2Si3O12(OH)

Spessartine and Prehnite Chemical Formula

While comparing Spessartine and Prehnite 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 Spessartine and Prehnite chemical formula.

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Spessartine and Prehnite Specific Gravity

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