Rhodolite and Sugilite Physical Properties

Rhodolite

Sugilite

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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

3.842.69-2.79

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

none, may show indistinct parting

Poor on {0001}

1.7 Mohs Hardness

7-7.55.5-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodolite and Sugilite Chemical Formula

While comparing Rhodolite and Sugilite 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 Rhodolite and Sugilite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodolite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.