Morion

Morion is a very dark, nearly black Smoky quartz.
General Information
A variety or type of:Smoky Quartz, which is a variety of Quartz
Chemical Formula
SiO
 
2
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Physical Properties of Morion
Mohs Hardness7 to 0
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Specific Gravity2.65
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
TenacityBrittle
Walter Schumann, Gemstones of the world (2001)
Cleavage QualityNone
Walter Schumann, Gemstones of the world (2001)
FractureConchoidal
Walter Schumann, Gemstones of the world (2001)
Optical Properties of Morion
Refractive Index1.544 to 1.553
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Optical CharacterUniaxial/+
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Birefringence0.009
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
PleochroismDefinite: brown - reddish-brown
Walter Schumann, Gemstones of the world (2001)
Dispersion0.013
Walter Schumann, Gemstones of the world (2001)
Colour
Colour (General)Very dark brown, nearly black.
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
TransparencyTransparent,Translucent,Opaque
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Fluorescence & other light emissions
Fluorescence (General)Usually none
Walter Schumann, Gemstones of the world (2001)
Crystallography of Morion
Crystal SystemTrigonal
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
HabitHexagonal prisms
Walter Schumann, Gemstones of the world (2001)
Further Information
Mineral information:Morion information at mindat.org
Copyright © Jolyon & Katya Ralph 1993-2019. Site Map. Locality, gem & photograph data are the copyright of the individuals who submitted them. For more information please contact the . Gemdat.org is an online information resource dedicated to providing free gemmological information to all.