Magnesite and Ajoite Physical Properties

Magnesite

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in hot HCl

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.92-3.122.96

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

[10 1 1] perfect

Perfect on {010}

1.7 Mohs Hardness

3.5-4.55

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Magnesite and Ajoite Chemical Formula

While comparing Magnesite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Magnesite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 2.96 whereas that of Ajoite is 2.96.