This Smoky Citrine is natural, not heat treated, and mined in Brazil. With a golden brown hue it can be categorised as a silicon dioxide halfway between Citrine and Smoky Quartz.
You will be buying 6 pieces of Smoky Citrine ranging from 4.5cm to 5.8cm as a bulk bundle weighing 223g at $50.18 (average $8.36 each).