Nosean and Nepheline Physical Properties

Nosean

Nepheline

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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

2.30-2.402.55-2.65

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{110} Perfect

[1010] Poor

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

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

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Nosean and Nepheline Chemical Formula

While comparing Nosean and Nepheline 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 Nepheline chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Compare Blue Gemstones

Nosean Vs Phosphosiderite

Nosean Vs Pleonaste

Nosean Vs Powellite

Nosean and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Nosean is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.