celestine

noun2

1. •
   A mineral with orthorhombic crystals, SrSO₄, colourless or white with blue and sometimes red shades.
2. •
   (no longer used) A heavenly being: an angel or other resident of Heaven.

adjective1

1. •
   (no longer used) Synonym of celestial: of or resembling the heavens.

noun1

1. •
   A member of a Roman Catholic monastic order, a branch of the Benedictines, founded in 1244.