紅こう榴りゅう石せきMeanings1nounalmandinemineralogyA deep red to purplish-red variety of garnet. Used in mineralogy and gemology.紅こう榴りゅう石せきはガーネットの一いっ種しゅで、深ふかい赤あか色いろが特とく徴ちょうです。Almandine is a type of garnet characterized by its deep red color.