Moonstone and Hardystonite Physical Properties

Moonstone

Hardystonite

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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

2.56-2.603.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

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

[001] good, [100] and [110] fair

1.7 Mohs Hardness

6-6.53-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Moonstone and Hardystonite Chemical Formula

While comparing Moonstone and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Compare Semi Precious Gemstones

Moonstone Vs Peridot

Moonstone Vs Lehsunia

Moonstone Vs Alexandrite

Moonstone and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.