Pyrope and Prase Physical Properties

Pyrope

Prase

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1 Physical Properties

1.1 Tenacity

Not Available

1.3 Solubility

insoluble in water

Not Available

1.4 Durability

Not Available

1.5 Specific Gravity

3.62-3.872.64-2.69

1 7.18

1.7 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

1.8 Cleavage

None

Not Available

1.9 Mohs Hardness

7-7.57

2 10

1.10 Chemical Composition

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

SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Pyrope and Prase Chemical Formula

While comparing Pyrope and Prase 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 Prase chemical formula.

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

Compare Red Gemstones

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Pyrope Vs Rock Crystal

Pyrope Vs Rubellite

Pyrope and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope and Prase Optical Properties during the identification of gemstone. Specific gravity of Pyrope is 2.64-2.69 whereas that of Prase is 2.64-2.69.