Spessartine and Aegirine Physical Properties

Spessartine

Aegirine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.12-4.18

3.50-3.60

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{???} Distinct

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

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

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Spessartine and Aegirine Chemical Formula

While comparing Spessartine and Aegirine 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 Aegirine chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Compare Red Gemstones

Spessartine Vs Triplite

Spessartine Vs Tortoiseshell

Spessartine Vs Tourmaline

Spessartine and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.