Blue Tourmaline 3mm Round Faceted - Microfaceted Rounds - 15-16 inch R1181 the colors are naturally occurring

the colors are naturally occurring

Yellow Opal does not display the changeable flash of internal luster that other opals are known for

This macrocrystalline Quartz stone has chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

Some facts about Opals

It is made up of Calcite or Calcium Carbonate

Blue Tourmaline 3mm Round Faceted - Microfaceted Rounds - 15-16 inch R1181 the colors are naturally occurringBlue Tourmaline ranges in color from green to blue to yellow to green with black, milky white and clear, colorless inclusions. It is an aluminum borosilicate mixed with iron, magnesium and other metals that give it its color. Tourmaline occurs in nearly every color in the rainbow and its name derives from turmali, the Sinhalese word for mixed color precious stone. Tourmaline is unusual in that it is both pyroelectric and piezoelectric, meaning it