Natural Gemstone Tests
  dry fire in-PMC3  
Gemstone type 1110F/30min 1110F/30 min Guide
Chrome Diopside not-tried survived good bet
Almandine Garnet survived survived good bet
Pyrope Garnet survived survived good bet
Rhodolite Garnet survived survived good bet
Tsavorite Garnet not-tried survived good bet
Hematite not-tried survived good bet
Moonstone survived survived good bet
Peridot survived survived good bet
Black Star Sapphire survived survived good bet
Tourmaline survived damaged iffy
Denim Lapis survived survived iffy
Lapis Lazuli - Dark damaged not tried iffy
Agate (Cameo) damaged not tried unsafe
Amethyst destroyed not tried unsafe
Aquamarine not-tried damaged unsafe
Aventurine damaged not tried unsafe
Carnelian damaged not tried unsafe
Blue Mist Chalcedony damaged not tried unsafe
Citrine damaged not tried unsafe
Iolite destroyed not tried unsafe
Jadeite damaged not tried unsafe
Malachite destroyed not tried unsafe
Mexican Fire Opal not-tried damaged unsafe
Black Onyx damaged damaged unsafe
Rhodochrosite damaged not tried unsafe
Rose Quartz destroyed not tried unsafe
Tiger-Eye darkened not tried unsafe
Blue Topaz destroyed not tried unsafe
Turquoise destroyed not tried unsafe

Synthetic Gemstone Tests
  in-PMC3    
Gemstone type 1110F/30 min Guide  
Alexandrite survived good bet  
CZ survived good bet  
Emerald survived good bet  
Ruby survived good bet  
Sapphire survived good bet  
Spinel survived good bet  
Tavalite CZ survived iffy  
Star Corundum survived iffy  

2002
By Kevin Whitmore, Rio Grande, 7500 Bluewater Rd NW, Albuquerque, NM 87121-1962 USA
Telephone (505) 839-3000, Fax (505) 839-3001