出典:Wiktionary
From Latin fornāx, fornāc- (“furnace”) -ite, named in 1915 after Lucien Lewis Forneau (whose surname resembles French fourneau (“stove”), which, like fornāx, is ultimately from Latin furnus (“oven”)).
fornacite
出典:Wikipedia
出典:『Wikipedia』 (2010/09/30 16:53 UTC 版)
Fornacite is a rare lead, copper chromate arsenate hydroxide mineral with formula: Pb2Cu(CrO4)(AsO4)(OH). The phosphate ion is also reported as substituting in the mineral. It forms variably green to yellow, translucent to transparent crystals in the monoclinic - prismatic crystal system. It has a Mohs hardness of 2.3 and a specific gravity of 6.27.