Emerald and Sphalerite Physical Properties

Emerald

Sphalerite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.783.95-4.10

1 7.18

1.5 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

1.6 Cleavage

Imperfect on the [0001]

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

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 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

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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.