Spessartine and Realgar Physical Properties

Spessartine

Realgar

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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

4.12-4.183.56

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

(e.g. graphite).

1.6 Cleavage

{???} Distinct

{010} Good

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

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

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Spessartine and Realgar Chemical Formula

While comparing Spessartine and Realgar 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 Realgar chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Spessartine Vs Triplite

Spessartine Vs Tortoiseshell

Spessartine Vs Tourmaline

Spessartine and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Realgar Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 3.56 whereas that of Realgar is 3.56.