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Sphalerite
Sphalerite

Allanite
Allanite



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Sphalerite
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Allanite

Sphalerite and Allanite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
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1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.103.40-4.20
Amber
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
Not Available
1.7 Mohs Hardness
3.5-4Not Available
Amber
2 10
1.8 Chemical Composition
(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Sphalerite and Allanite Chemical Formula

While comparing Sphalerite and Allanite 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 Allanite chemical formula.

  • Chemical formula of Sphalerite- (Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Sphalerite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.