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tŏpazŏs (-zus), i, f. (m., ap. Prisc. Perieg. 1021), = τόπαζος, a precious stone, the ancient topaz, a chrysolite or green jasper, Plin. 37, 8, 32, § 107; Ven. Fort. Carm. 8, 5, 272; id. Vit. Mart. 3, 517.
Collat. forms: tŏpazĭus, i, f., Tert. adv. Marc. 2, 10; Tŏpazĭon, ii, m., Ambros. in Psa. 118, Serm. 16, 41; 16, 42; Isid. 16, 9, 9; Tŏpazōn, ōntis, m., Prud. Psych. 861.