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Achroite
Achroite

Sphalerite
Sphalerite



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Achroite
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Sphalerite

Achroite and Sphalerite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.90-3.40
Uneven, ConchoidalWalter Schumann
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
 
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-
-
3.95-4.10
Uneven
{110} Perfect, {110} Perfect, {110} Perfect
3.5-4
(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Achroite and Sphalerite Chemical Formula

While comparing Achroite and Sphalerite 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 Achroite and Sphalerite chemical formula.

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Achroite and Sphalerite Specific Gravity

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