Nosean and Andradite Physical Properties

Nosean

Andradite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.403.70-4.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{110} Perfect

none

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

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

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

Nosean and Andradite Chemical Formula

While comparing Nosean and Andradite 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 Andradite chemical formula.

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

Compare Blue Gemstones

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Nosean and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Andradite Optical Properties during the identification of gemstone. Specific gravity of Nosean is 3.70-4.10 whereas that of Andradite is 3.70-4.10.