Uvite and Ajoite Physical Properties

Uvite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.142.96

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Not Available

1.6 Cleavage

{1011} Indistinct

Perfect on {010}

1.7 Mohs Hardness

Not Available5

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Uvite and Ajoite Chemical Formula

While comparing Uvite 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 Uvite and Ajoite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Uvite and Ajoite Specific Gravity

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