anhydrite

plaster / gypsum

minerals

to be treated to (a meal)

passive of 呼ぶ (yobu) [godan]

to call; to call out / to call, to apply a name to someone / to send for someone, to call for someone, to get someone / to call something by a name; to designate / to invite

Solid, hard, firm.

Keeping a material's shape that does not crack or break apart; hard / Keeping one's appearance or facial expression; serious

mineralogy

mineral oil