Moonstone and Rock Crystal Physical Properties

Moonstone

Rock Crystal

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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

2.56-2.602.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-6.57

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Moonstone and Rock Crystal Chemical Formula

While comparing Moonstone and Rock Crystal 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 Rock Crystal chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)

Compare Semi Precious Gemstones

Moonstone Vs Alexandrite

Moonstone Vs Lehsunia

Moonstone Vs Peridot

Moonstone and Rock Crystal Specific Gravity

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