ἀνθρακίτης
From LSJ
τούτου δὲ συμβαίνοντος ἀναγκαῖον γίγνεσθαι πάροδον καὶ τροπὰς τῶν ἐνδεδεμένων ἄστρων → but if this were so, there would have to be passings and turnings of the fixed stars
English (LSJ)
[ῑ], ου, ὁ, name of a
A gem, Plin.HN36.148. II fem. ἀνθρᾰκ-ῖτις, ιδος, a kind of coal, ib.37.99.
Greek (Liddell-Scott)
ἀνθρᾰκίτης: [ῑ], -ου, ὁ, ὁ ἀνθρακίτης, ὄνομα πολυτίμου λίθου, Πλίν. 36. 38. ΙΙ. θηλ. -ῖτις, ιδος, εἶδος ἄνθρακος (πρὸς καῦσιν) ὁ αὐτ. 37. 27.