Sanidine and Pyrope Physical Properties

Sanidine

Pyrope

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.54-2.613.62-3.87

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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)

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

Sanidine and Pyrope Chemical Formula

While comparing Sanidine and Pyrope 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 Pyrope chemical formula.

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

Compare Blue Gemstones

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Sanidine and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sanidine and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sanidine and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Sanidine is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.