Adamite and Gaylussite Physical Properties

Adamite

Gaylussite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

decomposes in water

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

1.93-1.99

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

{101}, good; {010}, poor

perfect [110]

1.7 Mohs Hardness

3.5

2.5

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Na2Ca(CO3)2•5(H2O)

Adamite and Gaylussite Chemical Formula

While comparing Adamite and Gaylussite 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 Adamite and Gaylussite chemical formula.

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

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Adamite and Gaylussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.