Agrellite and Iolite Physical Properties

Agrellite

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

2.882.6-2.7

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

perfect [110]

3,1

1.7 Mohs Hardness

5.57-7.5

2 10

1.8 Chemical Composition

NaCa2Si4O10F

Mg₂Al₄Si₅O₁₈

Agrellite and Iolite Chemical Formula

While comparing Agrellite and 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 Agrellite and Iolite chemical formula.

Chemical formula of Agrellite- NaCa2Si4O10F
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Agrellite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agrellite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agrellite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Agrellite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.