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Aragonite
Aragonite

Helenite
Helenite



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Aragonite
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Helenite

Aragonite and Helenite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Dilute acid
-

Durability

-
-

Specific Gravity

2.93-2.96-9999
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
-

Cleavage

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

Mohs Hardness

3.5-4-9999
2 10
👆🏻

Chemical Composition

CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO2

Aragonite and Helenite Chemical Formula

While comparing Aragonite and Helenite 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 Helenite chemical formula.

  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Helenite- SiO2

Aragonite and Helenite Specific Gravity

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