Nosean and Gahnite Physical Properties

Nosean

Gahnite

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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

2.30-2.404.00-4.62

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

{110} Perfect

Indistinct parting on [111]

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Nosean and Gahnite Chemical Formula

While comparing Nosean and Gahnite 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 Gahnite chemical formula.

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

Compare Blue Gemstones

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Nosean Vs Phosphosiderite

Nosean Vs Powellite

Nosean and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Nosean is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.