From Wikipedia, the free encyclopedia
- ... 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?