5662 Corundum var Sapphire, Luc Yen, Yen Bai Province, Vietnam October 20, 2019 Steve Asia Vietnam Blue and green sapphires, some with good crystal form. Click for full sized image…
Africa Madagascar 5056 Corundum, Zazafotsy Quarry, Ihosy District, Fianarantsoa Province, Madagascar September 29, 2019
