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Grossular
Grossular

Aragonite
Aragonite



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Grossular
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Aragonite

Grossular and Aragonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Dilute acid

Durability

-
-

Specific Gravity

3.55-3.732.93-2.96
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Subconchoidal, Conchoidal

Cleavage

none
Distinct on {010}, imperfect {110} and {011}

Mohs Hardness

7-7.53.5-4
2 10
👆🏻

Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grossular and Aragonite Chemical Formula

While comparing Grossular 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 Grossular and Aragonite chemical formula.

  • Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grossular and Aragonite Specific Gravity

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