rosasite
/ˈrəʊzəsʌɪt/Mineralogy
noun
A mineral typically found as a bluish or greenish secondary deposit on copper, zinc, and lead ores.
- Rosasite is a carbonate and hydroxide of copper and zinc, (Cu,Zn)2CO3(OH)2. Crystal system: monoclinic..
Origin
Early 20th century; earliest use found in Journal of the Chemical Society. From Rosas, name of a mine at Sulcis, Sardinia (where the mineral was first found in 1908) + -ite, after Italian rosasite.