Gaylussite and Iolite Physical Properties

Gaylussite

Iolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

decomposes in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.93-1.992.6-2.7

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

perfect [110]

3,1

1.7 Mohs Hardness

2.57-7.5

2 10

1.8 Chemical Composition

Na2Ca(CO3)2•5(H2O)

Mg₂Al₄Si₅O₁₈

Gaylussite and Iolite Chemical Formula

While comparing Gaylussite 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 Gaylussite and Iolite chemical formula.

Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Gaylussite and Iolite Specific Gravity

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