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Ammolite

Big Photo

Canada
7.11 carats
© Rarestone

Physical Properties of Ammolite
Mohs Hardness3.5
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Specific Gravity2.600 to 2.850
Roger Dedeyn, Tables of Gemstone Identification (2007)
Optical Properties of Ammolite
Refractive Index1.520 to 1.670
Roger Dedeyn, Tables of Gemstone Identification (2007)
Birefringence0.150
Roger Dedeyn, Tables of Gemstone Identification (2007)
Colour
Colour (General)Play-of-color - mostly red-green mosaic-like
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Fluorescence & other light emissions
Fluorescence (General)Common mustard yellow
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Further Information
Mineral information:Ammolite information at mindat.org
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