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!
Schooner (1955) reports it "as rouge-like coatings on mica schist, is abundant in the cut which is located above the main part of the Strickland Quarry".
Habit:
encrustation
Colour:
red
Quality for species:
Poor for species, only of interest for locality collectors. (#)