出典:Wiktionary
出典:『Wiktionary』 (2017/02/23 21:43 UTC 版)
plumbogummite (usually uncountable, 複数形 plumbogummites)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/20 18:21 UTC 版)
Plumbogummite is a rare secondary lead phosphate mineral, belonging to the alunite supergroup of minerals, crandallite subgroup. Some other members of this subgroup are: