I believe no rocks escape scoring, polishing and mammillation in the Alps, though some lose it easily when exposed.
"More Letters of Charles Darwin Volume II" by Charles Darwin
Mammilate: with nipple-like protuberances or processes.
"Explanation of Terms Used in Entomology" by John. B. Smith
Occurs generally in mammillated concretions.
"The Elements of Blowpipe Analysis" by Frederick Hutton Getman
P. convex, mammillate, squamulose; g. emarginato-adnexed; s. hollow, equal, flexuous; sp.
"European Fungus Flora: Agaricaceae" by George Massee
Spermaries are produced more readily than ovaries; they are mammillate in form and number from 4 to 24.
"Freshwater Sponges, Hydroids & Polyzoa" by Nelson Annandale