Aragonite and Moonstone Physical Properties

Aragonite

Moonstone

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

Durability

Specific Gravity

2.93-2.962.56-2.60

1 7.18

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Fracture

Subconchoidal, Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

3.5-46-6.5

2 10

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Chemical Composition

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

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Aragonite and Moonstone Chemical Formula

While comparing Aragonite and Moonstone 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 Aragonite and Moonstone chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Gems for Virgo

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Aragonite Vs Variscite

Aragonite Vs Zircon

Aragonite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.