Adamite and Magnesite Physical Properties

Adamite

Magnesite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.482.92-3.12

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{101}, good; {010}, poor

[10 1 1] perfect

1.7 Mohs Hardness

3.53.5-4.5

2 10

1.8 Chemical Composition

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

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Adamite and Magnesite Chemical Formula

While comparing Adamite and Magnesite 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 Magnesite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Adamite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.