Nosean and Petalite Physical Properties

Nosean

Petalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.402.40

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

{110} Perfect

Perfect on {001}, poor on {201} with 38.5° angle between the two

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

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

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nosean and Petalite Chemical Formula

While comparing Nosean and Petalite 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 Petalite chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Nosean Vs Powellite

Nosean Vs Pleonaste

Nosean Vs Phosphosiderite

Nosean and Petalite Specific Gravity

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