Rhodolite and Aragonite Physical Properties

Rhodolite

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.842.93-2.96

1 7.18

1.5 Fracture

Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

none, may show indistinct parting

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rhodolite and Aragonite Chemical Formula

While comparing Rhodolite and Aragonite 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 Aragonite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodolite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.