Spessartine and Williamsite Physical Properties

Spessartine

Williamsite

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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

4.12-4.182.51-2.63

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

{???} Distinct

Not Available

1.7 Mohs Hardness

7-7.54

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Spessartine and Williamsite Chemical Formula

While comparing Spessartine and Williamsite 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 Williamsite chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

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Spessartine and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.