Ametrine 6mm Round A Grade - 15-16 Inch Pair and is similar to Mahogany

and is similar to Mahogany

Peter the Great set up Russia's first spa in Karelia to make use of the water purifying properties of shungite

making it the hardest silicate mineral

Kyanite often occurs as long

check out The Identification of Zachery Treated Turquoise

Ametrine 6mm Round A Grade - 15-16 Inch Pair and is similar to MahoganyAmetrine is quartz that occurs in bands of purple and yellow. As the name suggests, it is a combination of Amethyst and Citrine. The different colored zones in the stone result from different oxidation states of iron, due to exposure to different temperatures during its formation. It is believed that Ametrine was first introduced to Europe by a conquistadors gift from Bolivia to the Spanish Queen.