Iolite and Brazilianite Physical Properties

Iolite

Brazilianite

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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

2.6-2.72.98-2.99

1 7.18

1.5 Fracture

Not Available

Conchoidal, Gems

1.6 Cleavage

3,1

(010) Distinct to good

1.7 Mohs Hardness

7-7.55.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Iolite and Brazilianite Chemical Formula

While comparing Iolite and Brazilianite 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 Iolite and Brazilianite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Iolite Vs Quartz Rose

Iolite Vs Carnelian

Iolite Vs Chrysocolla

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Iolite and Brazilianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Brazilianite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 2.98-2.99 whereas that of Brazilianite is 2.98-2.99.