Gahnite and Nosean Physical Properties

Gahnite

Nosean

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.622.30-2.40

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct parting on [111]

{110} Perfect

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

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

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

Gahnite and Nosean Chemical Formula

While comparing Gahnite 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 Gahnite and Nosean chemical formula.

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

Compare Blue Gemstones

Gahnite Vs Hydrogrossular

Gahnite Vs Howlite

Gahnite Vs Indicolite Blue Tourmaline

Gahnite and Nosean Specific Gravity

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