Agrellite and Aragonite Physical Properties

Agrellite

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

2.882.93-2.96

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect [110]

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

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

NaCa2Si4O10F

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

Agrellite and Aragonite Chemical Formula

While comparing Agrellite 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 Agrellite and Aragonite chemical formula.

Chemical formula of Agrellite- NaCa2Si4O10F
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Agrellite and Aragonite Specific Gravity

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