90.75ct bolivian ametrine gemstones igcam03Whether 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. 3

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Kunzite is the best-known variety of the mineral spodumene

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM60

Kunzite gets its delicate color from trace amounts of manganese

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM169

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM110

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM178

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM21

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM95

These radioactive forms of Zircon must be heated to stabilize them for use as gems

Paraíba prices have soared up exponentially in recent years

IGC Natural Good Quality Emerald Of Zambia Origin it is selected gem beautiful stone IGCZZM214