Moonstone and Cordierite Physical Properties

Moonstone

Cordierite

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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

2.56-2.602.57-2.66

1 7.18

1.5 Fracture

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

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

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

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

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

Mg2Al4Si5O18

Moonstone and Cordierite Chemical Formula

While comparing Moonstone and Cordierite 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 Cordierite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Semi Precious Gemstones

Moonstone Vs Peridot

Moonstone Vs Lehsunia

Moonstone Vs Alexandrite

Moonstone and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.