Sphalerite and Amazonite Physical Properties

Sphalerite

Amazonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.95-4.102.55-2.57

1 7.18

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Fracture

Uneven

Cleavage

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

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

Mohs Hardness

3.5-46-6.5

2 10

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Chemical Composition

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

KAlSi₃O₈

Sphalerite and Amazonite Chemical Formula

While comparing Sphalerite 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 Sphalerite and Amazonite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Amazonite- KAlSi₃O₈

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Sphalerite and Amazonite Specific Gravity

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