20 Carat Russian Charoite Stone Pebble Purple Natural Quartz Crystal Stone Mineral Cab Stone of Transformation - 10PCS You will receive exactly this Charoite Pebble Set of 10 pcs (see photo)! Set Weight: 4g / 0.14 oz / 20 Carat. Charoite is a rare silicate mineral with a very complex chemical composition of phosphorus, calcium, and sodium, first described in 1978 and named for the Chara River. It has been reported only from the Sakha Republic, Yakutia, Siberia, Russia. Charoite is translucent lavender to purple in color with a pearly lustre. Charoite is strictly massive in nature, and fractures are conchoidal. It has an unusual swirling, fibrous appearance, sometimes chatoyant. It has an unusual swirling, fibrous appearance, sometimes chatoyant, and that, along with its intense color, can lead many to believe at first that it is synthetic or enhanced artificially. It is said to be opaque and unattractive when found in the field; a fact that may have contributed to its late recognition. Formula: K(Ca,Na)2Si4O10(OH,F)H2O. Crystal System: Monoclinic - Prismatic. Pronunciation: CHAR-oh-ite. Color: Lavender, Lilac, Purple, Violet, White. The colors of charoite are unmistakable and can range from lilac to lavender and from light-violet to medium-deep purple. Rarity: Uncommon. Location: Russia. Hardness: 5 - 6 Mohs scale. Mineral Class: Silicates-Mineral-Class. (The above information is provided solely for informational purpose. Kindly note that all stones are offered for decorative purposes only. Please, handle your stones with great care, do not grind or crumble them, do not dip or add them into your food or drink, do not use any parts of them in any elixirs, potions, lotions etc. Always make sure you wash your hands before and after working with your crystals.)