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Gaylussite
Gaylussite

Adamite
Adamite



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Gaylussite
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Gaylussite and Adamite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
decomposes in water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.93-1.99
4.32-4.48
1.5 Fracture
Conchoidal, Conchoidal, Brittle
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
perfect [110]
{101}, good; {010}, poor
1.7 Mohs Hardness
2.5
3.5
1.8 Chemical Composition
Na2Ca(CO3)2•5(H2O)
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)

Gaylussite and Adamite Chemical Formula

While comparing Gaylussite and Adamite 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 Gaylussite and Adamite chemical formula.

  • Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
  • Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)

Gaylussite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gaylussite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gaylussite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Gaylussite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.