Moonstone and Neptunite Physical Properties

Moonstone

Neptunite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.603.19-3.23

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

{110} good

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

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Moonstone and Neptunite Chemical Formula

While comparing Moonstone and Neptunite 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 Neptunite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Semi Precious Gemstones

Moonstone Vs Peridot

Moonstone Vs Alexandrite

Moonstone Vs Lehsunia

Moonstone and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.