https://museumcollections.udel.edu/Documents/Detail/heulandite/215077
HEULANDITE - University of Delaware Museums
university of delawareheulanditemuseums
https://museumcollections.udel.edu/Documents/Detail/heulandite-with-chlorite-inclusions/215380
HEULANDITE with CHLORITE INCLUSIONS - University of Delaware Museums
HEULANDITE with CHLORITE INCLUSIONS, Creator unidentified, Mineral specimen, Length: 4 1/2 in |Width: 2 in | Length: 3 1/2 in, University of Delaware Library,...
university of delawareheulanditechloriteinclusionsmuseums