25ct bolivian ametrine gemstones igcam09Whether 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. 9

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 IGCZZM452

in which their inner crystal structure becomes destroyed

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM423

IGC Zircon is an important gemstone of many colors

and valuation

In sha Allah Natural Aquamarine stone with top clarity and best cutting IGCGA43

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM140

In sha Allah Natural Aquamarine stone with top clarity and best cutting IGCGA19

they occur in other colors

In sha Allah Natural Aquamarine stone with top clarity and best cutting IGCGA04

The color correlation between color-change diaspore and corundum confirmed the identity of each chromophore