ensemble de pierres gemmes blanches avec des noms (ulexite, quartz, howlite, magnésite, natolite, cacholong, opale, albite, scolecite, moonstone, agate, limes Photo Stock - Alamy
𝙼𝚘𝚗𝚘 on Twitter: "this photo kind of shows the difference between Howlite and Magnesite, another few that are often mislabeled. https://t.co/WunG3lZbHz" / Twitter