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Bornite & Pyrite designer gem 6/4/2021 01 - 40 x 16 x 3.1 mm - 28 carats - This unusual material is Bornite, Pyrite and some copper. Bornite is a distinctive and very beautiful lavender/purple metallic color often with golden pyrite blossoms. This gem has a beautiful low dome, girdled sides and a flat beveled back with a mirror like luster. $64.00 shipped to USA - paypal SOLD