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Sphalerite
Sphalerite

Tanzanite
Tanzanite



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Sphalerite
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Tanzanite

Sphalerite and Tanzanite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
Hard

Specific Gravity

3.95-4.103.35
1 7.18
👆🏻

Fracture

Uneven
Uneven, Conchoidal

Cleavage

{110} Perfect, {110} Perfect, {110} Perfect
Perfect {010}, imperfect {100}

Mohs Hardness

3.5-46.5-7
2 10
👆🏻

Chemical Composition

(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)3(OH)

Sphalerite and Tanzanite Chemical Formula

While comparing Sphalerite and Tanzanite 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 Tanzanite chemical formula.

  • Chemical formula of Sphalerite- (Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Sphalerite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.35 whereas that of Tanzanite is 3.35.