Spessartine and Andesine Physical Properties

Spessartine

Andesine

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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

2.65-2.69

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{???} Distinct

Perfect on {001}, good on {010}

1.7 Mohs Hardness

7-7.5

6-6.5

1.8 Chemical Composition

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

(Na,Ca)Al_1-2Si_3-2O₈

Spessartine and Andesine Chemical Formula

While comparing Spessartine and Andesine 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 Andesine chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

Compare Red Gemstones

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Spessartine Vs Tortoiseshell

Spessartine Vs Tourmaline

Spessartine and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Andesine Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 2.65-2.69 whereas that of Andesine is 2.65-2.69.