
Canada
7.11 carats
© Rarestone
| Physical Properties of Ammolite | |
|---|---|
| Mohs Hardness | 3.5, Blue Chart Gem Identification (2010) |
| Specific Gravity | 2.600 to 2.850, Tables of Gemstone Identification (2007) |
| Optical Properties of Ammolite | |
| Refractive Index | 1.520 to 1.670, Tables of Gemstone Identification (2007) |
| Birefringence | 0.150, Tables of Gemstone Identification (2007) |
| Colour | |
| Colour (General) | Play-of-color - mostly red-green mosaic-like, Blue Chart Gem Identification (2010) |
| Fluorescence & other light emissions | |
| Fluorescence (General) | Common mustard yellow, Blue Chart Gem Identification (2010) |
| Further Information | |
| Mineral information: | Ammolite information at mindat.org |