Sanidine and Almandine Physical Properties

Sanidine

Almandine

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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

2.54-2.613.95-4.30

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{001} Perfect, {010} Good

none

1.7 Mohs Hardness

67-7.5

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Sanidine and Almandine Chemical Formula

While comparing Sanidine and Almandine 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 Sanidine and Almandine chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

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Sanidine and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sanidine and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sanidine and Almandine Optical Properties during the identification of gemstone. Specific gravity of Sanidine is 3.95-4.30 whereas that of Almandine is 3.95-4.30.