Weight:  53

Size: 18x13mm

the largest amount on record being in the South Australian Museum in Adelaide and weighing a total of 178 kilograms

4 in) and weighs  69 grams (2

Natural Black Kyanite with Quartz | 104.36 grams | Marilac, Minas Gerais, Brazil Mordenite Weight: 53This is a fabulous specimen of Black kyanite and quartz mined in Marilac, Safira pegmatite district, Eastern Brazilian pegmatite province, Minas Gerais, Brazil. The specimen will sit perfectly flat to allow easy display in a favorable position. Kyanite is a silicate mineral and is known to be one of the most attractive natural minerals in the world, frequently found with lustrous bladed crystals, with the intensity of color varying by location of