Moonstone and Nepheline Physical Properties

Moonstone

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

2.56-2.602.55-2.65

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

[1010] Poor

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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

Moonstone and Nepheline Chemical Formula

While comparing Moonstone 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 Moonstone and Nepheline chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Compare Semi Precious Gemstones

Moonstone Vs Alexandrite

Moonstone Vs Peridot

Moonstone Vs Lehsunia

Moonstone and Nepheline Specific Gravity

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