Northstar Dark Amethyst Rod - 1/4lb(0)No Reviews yet Pinit $16.82 Quantity discounts available QuantityPrice SKU: ns106 - ns-106 - 1/4LB Quantity -+ Add to Cart Details Precision's DARK AMETHYST Borosilicate rod. This 20 inch Long Rod is approximately 7mm in Diameter. This item is available by the pound (LB), 1/2 lb.,... Details Back DetailsPrecision's DARK AMETHYST Borosilicate rod. This 20 inch Long Rod is approximately 7mm in Diameter. This item is available by the pound (LB), 1/2 lb., or the Piece (PC). Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review