Parisite

Parisite is named after J.J. Paris, mine owner at Muzo, Boyaca, Colombia, the discovery locality.

Parisite forms transparent to translucent brownish yellow, orange to brown crystals. The occasional star stone has been known.

Parisite Gemstones by Size

This table shows distribution of Parisite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:1.06 cts
Heaviest:1.63 cts
Average:1.34 cts
Total photos:2
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1.06ct to 1.12ct1.12ct to 1.17ct1.17ct to 1.23ct1.23ct to 1.29ct1.29ct to 1.35ct1.35ct to 1.40ct1.40ct to 1.46ct1.46ct to 1.52ct1.52ct to 1.57ct1.57ct to 1.63ct
General Information
Chemical Formula
Ca(Nd,Ce,La)
 
2
(CO
 
3
)
 
3
F
 
2
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
More from other references
Photos of natural/un-cut material from mindat.org
Physical Properties of Parisite
Mohs Hardness4.5
Walter Schumann, Gemstones of the world (2001)
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Specific Gravity4.33 to 4.42
Walter Schumann, Gemstones of the world (2001)
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Cleavage QualityDistinct
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Optical Properties of Parisite
Refractive Index1.671 to 1.771
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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Optical CharacterUniaxial/+
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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Birefringence0.099 to 0.100
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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ChatoyancyAsteriated (6)
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Colour
Colour (General)Yellow-brown, reddish
Walter Schumann, Gemstones of the world (2001)
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TransparencyTransparent
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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LustreVitreous
Walter Schumann, Gemstones of the world (2001)
Crystallography of Parisite
Crystal SystemTrigonal
Walter Schumann, Gemstones of the world (2001)
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HabitPseudohexagonal crystals
Michael O’Donoghue, Gems, Sixth Edition (2006)
Geological Environment
Where found:Occurs in carbonaceous shales including those hosting emeralds and as inclusions in the emeralds.
Michael O’Donoghue, Gems, Sixth Edition (2006)
Further Information
Mineral information:Parisite information at mindat.org
Significant Gem Localities
Colombia
 
  • Boyacá Department
    • Vasquez-Yacopí mining district
      • Mun. de Muzo
Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 435
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