noun
rhodonite
A pink to rose-red manganese silicate mineral used as a gemstone and ornamental stone.
薔薇輝石は、その美しいピンク色から人気のある鉱物です。
Rhodonite is a popular mineral because of its beautiful pink color.
From 薔薇 (bara, 'rose') + 輝石 (kiseki, 'pyroxene'), referring to its rose-like color and mineral group.