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!
"Analcime appears to have been the first zeolite to crystallize. Analcime always occurs as very small (1mm or less), yellowish to colourless, water-clear trapezohedral crystal. Crystals of analcime may occur in druses or individually."
They are not very common at the Bundoora quarry.
Boral Limited quarry, Bundoora, City of Whittlesea, Victoria, Australia