100 Carat Sodalite Rough Stone Deep Blue Crystal Natural Lapidary Mineral Cabochon Rock for Carving - Brazil (#2) You will receive exactly this Sodalite Rough - 39mm x 25mm x 23mm / 1 9/16 x 1 x 15/16 Inches; 20g / 0.71 oz / 100 Carat (see photo, some photos are taken wet, stand not included)! Sodalite is known for its often bright-blue color, and it usually contains white veins or streaking. Specimens are often polished or sliced into slabs for collectors. Sodalite is named in reference to its sodium ("soda") content. Chemical Composition: Na8(Al6Si6O24)Cl2; Member of: Sodalite Group; Hardness: 5.5 - 6; Color: Blue; Discovered in 1811 in the Ilimaussaq intrusive complex in Greenland, sodalite did not become important as an ornamental stone until 1891 when vast deposits of fine material were discovered in Ontario, Canada. (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.)