Proc. Roy. Soc. Q’LAND, Vou. xXx. Prats V. 
GREEN 
Zircon. Sapphire (Oriental Emerald « Peridot). 
Garnet (Qemantad, Quvarovite).Cheysoberyl. 
Alexandrite). Spinel. Topaz. Diamond. | 
Olivine @rdot), Tourmaline Grazlian Emerald). 
Beryl (Gmerald, Aquamarine). Quartz (hrysoprase. 
Plasma, Frase. Jasper). Turquorse. | 
BLUE 
Sapphire. Spinel. Topaz. Diamond. 
Tourmaline (/ndicolite). Beryl (Aquamarine). 
lolite (Water Sapphire, Dichroite), 
VIOLET 
Sapphire Oriental Amethyst). Carnet. Spinel. 
Diamond. Tourmaline. Quartz Amethyst). 
