This is a cut and polished quartz point from Minas Gerais, Brazil. It is a transparent quartz that has inclusions of white clay and reibeckite crystals. The reibeckite crystals are fibrous, silver-blue, and have a silken luster. The included white clay is in billowed cloud-like formations and there are some reddish inclusions near the base. This piece measures 1 5/8 x 7/8 x 11/16 inches or 41 x 22 x 18 mm.