Agate and Cordierite Iolite Physical Properties

Agate

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

2.60-2.64

2.56-2.66

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

Not Available

1.7 Mohs Hardness

6.5-7

7-7.5

1.8 Chemical Composition

SiO₂

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

Agate and Cordierite Iolite Chemical Formula

While comparing Agate 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 Agate and Cordierite Iolite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Agate and Cordierite Iolite Specific Gravity

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