80ct bolivian ametrine gemstones igcam14Whether projecting from pegmatite walls or encrusting cavities in volcanic rock, quartz abounds worldwide. People have used quartz in jewelry for thousands of years. When quartz displays the colors of amethyst and citrine in a single gem, the material is called ametrine or amethyst citrine. Ametrines only commercial source is the Anahi mine in Bolivia. 14

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM16

in which their inner crystal structure becomes destroyed

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM02

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM173

It’s named after famed gemologist George Frederick Kunz

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM373

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM51

Another mineral

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM189

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM153

as the most valued quartz variety

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM395