Emerald and Sphalerite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
3.95-4.10
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
Cleavage
Imperfect on the [0001]
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
7.5-8
3.5-4
Chemical Composition
Be3Al2SiO6
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Emerald and Sphalerite Chemical Formula
While comparing Emerald 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 Emerald and Sphalerite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Emerald and Sphalerite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.
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