Sunstone and Cordierite Iolite Physical Properties

Sunstone

Cordierite Iolite

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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

2.62-2.652.56-2.66

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

001

Not Available

1.7 Mohs Hardness

67-7.5

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Sunstone and Cordierite Iolite Chemical Formula

While comparing Sunstone and Cordierite Iolite 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 Sunstone and Cordierite Iolite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Sunstone and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.