Sphalerite and Ajoite Physical Properties

Sphalerite

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

3.95-4.102.96

1 7.18

1.5 Fracture

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

Not Available

1.6 Cleavage

{110} Perfect, {110} Perfect, {110} Perfect

Perfect on {010}

1.7 Mohs Hardness

3.5-45

2 10

1.8 Chemical Composition

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Sphalerite and Ajoite Chemical Formula

While comparing Sphalerite 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 Sphalerite and Ajoite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Sphalerite and Ajoite Specific Gravity

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