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Sphalerite
Sphalerite

Crocoite
Crocoite



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Sphalerite
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Crocoite

Sphalerite and Crocoite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.10
5.90-6.10
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
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
1.6 Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
{110} Distinct, {001} Indistinct, {100} Indistinct
1.7 Mohs Hardness
3.5-4
2.5-3
1.8 Chemical Composition
(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sphalerite and Crocoite Chemical Formula

While comparing Sphalerite and Crocoite 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 Crocoite chemical formula.

  • Chemical formula of Sphalerite- (Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Crocoite- PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sphalerite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.