Realgar and Nosean Physical Properties

Realgar

Nosean

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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

3.562.30-2.40

1 7.18

1.10 Fracture

(e.g. graphite).

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

1.11 Cleavage

{010} Good

{110} Perfect

1.12 Mohs Hardness

Not AvailableNot Available

2 10

1.14 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Realgar and Nosean Chemical Formula

While comparing Realgar and Nosean 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 Realgar and Nosean chemical formula.

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

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Realgar and Nosean Specific Gravity

Another important criteria for qualitative analysis of gemstones is Realgar and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Realgar and Nosean Optical Properties during the identification of gemstone. Specific gravity of Realgar is 2.30-2.40 whereas that of Nosean is 2.30-2.40.