Rosasite and Nosean Physical Properties

Rosasite

Nosean

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.22.30-2.40

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

{110} Perfect

1.7 Mohs Hardness

4Not Available

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Nosean Chemical Formula

While comparing Rosasite 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 Rosasite and Nosean chemical formula.

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

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Rosasite and Nosean Specific Gravity

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