Zinnwaldite and Nosean Physical Properties

Zinnwaldite

Nosean

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.12.30-2.40

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal {001}

{110} Perfect

1.7 Mohs Hardness

3.5-4.0Not Available

2 10

1.8 Chemical Composition

Not Available

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

Zinnwaldite and Nosean Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite 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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Zinnwaldite and Nosean Specific Gravity

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