Rare Genuine 5.73 carat sphalerite loose gemstone

This loose gem is rare! It's Genuine( natural ) and 5.73 carat sphalerite I try and always type detailed descriptions with a ton of photos and size comparisons but life has been hard lately , so trying to get stuff posted quickly for now to make sales If you have any specific questions just ask Brand new Some photos are zoomed in I have a ton of 10k, 14k, , Kay jewelers , zales , vintage , , white gold. Rose gold, yellow gold , gemstones , wedding rings Art Deco fine jewelry,engagement/wedding ring . Solid gold diamonds , opals,Ruby’s,emerald,gemstones listed currently here!!Absolutely gorgeous