Nosean and Star Sapphire Physical Properties

Nosean

Star Sapphire

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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

2.30-2.403.90-4.05

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{110} Perfect

Not Available

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Nosean and Star Sapphire Chemical Formula

While comparing Nosean and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Blue Gemstones

Nosean Vs Pleonaste

Nosean Vs Phosphosiderite

Nosean Vs Powellite

Nosean and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Nosean is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.