Quartz - Ariranha pegmatite, Brazil - 7,0 x 5,0 x 9,5 cm

Mineral: Quartz
Locality: Ariranha pegmatite, Pavão, Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil
Dimensions: 7,0 x 5,0 x 9,5 cm

Description: Main crystal size: 8,4 cm Two perfect crystals associated in a V-formation It seems to be an extremely rare twin with an angle of 55° 23 ', compared with the much more common Japan Law twin with an angle of 84° 33 '. MIM number 1163 Photographer: James Elliott (FMI)