Magnesite and Amazonite Physical Properties

Magnesite

Amazonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in hot HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.92-3.12

2.55-2.57

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

[10 1 1] perfect

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

3.5-4.5

6-6.5

1.8 Chemical Composition

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

KAlSi₃O₈

Magnesite and Amazonite Chemical Formula

While comparing Magnesite and Amazonite 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 Magnesite and Amazonite chemical formula.

Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Amazonite- KAlSi₃O₈

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Magnesite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.