Systema naturæ - nature Universum - universe see [unranked] Mundus Plinius naturalia - natural bodies Regnum Lapideum - mineral kingdom Class Petræ - stones Order Vitrescentes - glassy stones Genus Qvartzum [U.R. von Kalbe], [1505?] - quartz Pseudo-Saphirus see Qvartzum coeruleum