Chrome Pyrope and Iolite Physical Properties

Chrome Pyrope

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

3.62-3.802.6-2.7

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Not Available

3,1

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

Mg₂Al₄Si₅O₁₈

Chrome Pyrope and Iolite Chemical Formula

While comparing Chrome Pyrope 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 Chrome Pyrope and Iolite chemical formula.

Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Chrome Pyrope and Iolite Specific Gravity

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