What does molochītis mean in Latin?

molochītis, a noun, means “An Arabian gem of the color of mallows, perhaps malachite”.

What is the genitive of molochītis?

The genitive singular is molochītidis. molochītis is feminine, third declension.

noun · femininethird declension

molochītis f (genitive molochītidis)

An Arabian gem of the color of mallows, perhaps malachite
non tralucet molochitis; spissius viret ab colore malvae nomine accepto, reddendis laudata signis et infantum custodia quodamque innato contra pericula medicamine.77 CE – 79 CE, Plinius Maior, Naturalis Historia 37

From Ancient Greek *μολοχῖτις (*molokhîtis), *μολοχῖτης (*molokhîtēs), *μαλαχῖτης (*malakhîtēs), after the colour from the phytonym μολόχη (molókhē).