different between omphacite vs greenstone

English

From Ancient Greek ????? (ómphax, “unripe fruit, especially grapes”) +? -ite.

omphacite (usually uncountable, plural omphacites)

(mineralogy) Any of a range of green, monoclinic pyroxene minerals found in eclogites and similar rocks; they are solid solutions of jadeite and diopside.

green +? stone

greenstone (countable and uncountable, plural greenstones)

(archaeology) any of several green-hued minerals used for making various artefacts in early Mesoamerican cultures, e.g. greenschist, chlorastrolite, serpentine, omphacite, or chrysoprase
(New Zealand) pounamu, the green-hued minerals of New Zealand used by M?ori to make tools, ornaments and weapons (any of three varieties of nephrite jade or one variety of bowenite)

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