æthiops mineral (uncountable) (obsolete, mineralogy) cinnabar ^ https://www.mindat.org/min-5863.html...
See also: Aethiops and æthiops From Ancient Greek Αἰθίοψ (Aithíops), from αἴθω (aíthō, “burn”) + ὤψ (ṓps, “face”). Compare Latin Aethiops and Ethiopia...
checked mineral (not comparable) of, related to, or containing minerals accessory mineral æthiops mineral agaric mineral chameleon mineral mineral acid mineral...
deep red mineral, mercuric sulfide, HgS; the principal ore of mercury; such ore used as the pigment vermilion. Synonym: (obsolete) æthiops mineral A bright...