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!
"Aragonite is a common accessary mineral and attractive specimens are common at Tylden quarry as large sprays of colourless to white and translucent acicular crystals up to 5 cm long. Occasionally the terminations have an attractive yellowish tinge."
Tylden quarry, Tylden, Macedon Ranges Shire, Victoria, Australia