Nosean and Tanzanite Physical Properties

Nosean

Tanzanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.30-2.40

3.35

1.5 Fracture

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

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{110} Perfect

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

Not Available

6.5-7

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Nosean and Tanzanite Chemical Formula

While comparing Nosean and Tanzanite 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 Tanzanite chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Nosean and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Nosean is 3.35 whereas that of Tanzanite is 3.35.