Formation Conichalcite
mat of conichalcite spheres on limonite base ojuela mine, mapimí, durango, mexico (size: 10.4 x 8.9 x 4.2 cm)
conichalcite forms in oxidation zones of copper orebodies. here groundwater enriched oxygen react copper sulfide , copper oxide produce array of minerals such malachite, azurite , linarite. conichalcite found encrusted on limonitic rocks have yellow red colors.
conichalcite form solid solution series mineral calciovolborthite. when these 2 minerals form solid solution series, 2 interchanging elements arsenic , vanadium. conichalcite arsenic rich end member of series , calciovolborthite vanadium rich end member.
notable occurrences of conichalcite include juab co., utah; lincoln , lyon counties of nevada , bisbee, arizona, in us; durango, mexico; collahuasi, tarapaca, chile; calstock, cornwall , caldbeck fells, cumbria, england; andalusia, spain; , tsumeb, namibia.
Comments
Post a Comment