Nosean and Realgar Physical Properties

Nosean

Realgar

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.403.56

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

{110} Perfect

{010} Good

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

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

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

Nosean and Realgar Chemical Formula

While comparing Nosean and Realgar 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 Realgar chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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Nosean and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Realgar Optical Properties during the identification of gemstone. Specific gravity of Nosean is 3.56 whereas that of Realgar is 3.56.