by sysadmin | Feb 23, 2016 | Blog
Purple Vivianite on matrix- Blackbird Mine, Lemhi County, Idaho 10 cm across Mined in the 1960s One of the finest purple Vivianite specimens to come out of this mine. … Vivianite (Fe2+e2+2(PO4)2·8H2O) is a hydrated iron phosphate mineral found in a number of...
