Nosean and Pyrope Physical Properties

Nosean

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

2.30-2.403.62-3.87

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{110} Perfect

None

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

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

Nosean and Pyrope Chemical Formula

While comparing Nosean 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 Nosean and Pyrope chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Nosean and Pyrope Specific Gravity

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