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Aragonite
Aragonite

Willemite
Willemite



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Aragonite
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Willemite

Aragonite and Willemite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Dilute acid
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.93-2.963.89-4.18
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
Distinct on {010}, imperfect {110} and {011}
{0001}, {11 2 0} imperfect
1.7 Mohs Hardness
3.5-45.5
Amber
2 10
1.8 Chemical Composition
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Aragonite and Willemite Chemical Formula

While comparing Aragonite and Willemite 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 Willemite chemical formula.

  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Aragonite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.