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Magnesite
Magnesite

Achroite
Achroite



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Magnesite
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Achroite

Magnesite and Achroite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Effervesces in hot HCl
-
2.92-3.12
Conchoidal
[10 1 1] perfect
3.5-4.5
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
2.90-3.40
Uneven, ConchoidalWalter Schumann
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Magnesite and Achroite Chemical Formula

While comparing Magnesite and Achroite 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 Achroite chemical formula.

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Magnesite and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite Vs Achroite during the identification of gemstone. Specific gravity of Magnesite is whereas that of Achroite is .