Pyrope and Sanidine Physical Properties

Pyrope

Sanidine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.872.54-2.61

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

None

{001} Perfect, {010} Good

1.7 Mohs Hardness

7-7.56

2 10

1.8 Chemical Composition

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

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

Pyrope and Sanidine Chemical Formula

While comparing Pyrope and Sanidine 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 Pyrope and Sanidine chemical formula.

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

Compare Red Gemstones

Pyrope Vs Rubellite

Pyrope Vs Rock Crystal

Pyrope Vs Rhodolite

Pyrope and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Pyrope is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.