Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
I have searched for the reference that I used to have for this site but to no avail. I have it annotated in my personal notes that Molybdenite is very rare. Analcitization has taken place at this location and hence Analcime is very collectable here alon