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Zoisite
Zoisite

Crocoite
Crocoite



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Zoisite
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Crocoite

Zoisite and Crocoite Physical Properties

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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
3.20-3.505.90-6.10
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
1.6 Cleavage
Perfect {010} imperfect {100}
{110} Distinct, {001} Indistinct, {100} Indistinct
1.7 Mohs Hardness
6-72.5-3
Amber
2 10
1.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Zoisite and Crocoite Chemical Formula

While comparing Zoisite 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 Zoisite and Crocoite chemical formula.

  • Chemical formula of Zoisite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Crocoite- PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Zoisite and Crocoite Specific Gravity

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