Portal:Minerals/Did you know/4


 * ... that the uncommon mineral aguilarite (pictured), named for discoverer Ponciano Aguilar, is known from the Americas, Europe, Asia, and Australasia?
 * ... that the thallium-rich mineral lorandite from the Allchar deposit is being used to determine the flux of solar neutrinos?
 * ... that seamanite is known from only four locations, with three in Michigan and one in Australia?
 * ...that jerrygibbsite ((Mn,Zn)9(SiO4)4(OH)2) is a rare mineral of which there are only five known samples in the world?