Spessartine and Peridot Physical Properties

Spessartine

Peridot

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.12-4.181.54-1.55

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Conchoidal

1.6 Cleavage

{???} Distinct

Poor

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

(Mg,Fe)₂SiO₄

Spessartine and Peridot Chemical Formula

While comparing Spessartine and Peridot 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 Peridot chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Spessartine and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Peridot Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 1.54-1.55 whereas that of Peridot is 1.54-1.55.