: Adjectis synonymis et veteribus et recentioribus ac novissimarum analysium chemicarum summis. Systematis mineralium naturalis prodromus. OCLC 995480390. ^ a bAmorphous or "plastic" sulfur is made by swift cooling of molten sulfur—one example is, by pouring it into cold h2o. X-ray crystallography scientific tests demonstrate that the amorphou