Lustrous deep dark blue Azurite forming a number of parallel growth bladed crystal groups in an overall inter-formed group, from the Tsumeb Mine, Namibia. Crystals of Azurite measuring to 3.1cm are associated with minor green Malachite on a brown Goethite matrix.
Geology Page on Instagram: “Posnjakite | #Geology #GeologyPage #Mineral Chemical Formula: Cu4(SO4)(OH)6·H2O Locality: Clara Mine, Rankach valley, Oberwolfach,…”
2,965 Likes, 26 Comments - Geology Page (@geologypage) on Instagram: “Posnjakite | #Geology #GeologyPage #Mineral Chemical Formula: Cu4(SO4)(OH)6·H2O Locality: Clara…”
Clear Hemimorphite & Yellow Mimetite Crystal Cluster
Light yellow Mimetite ball crystals can be found all over this little piece. A few clear Hemimorphite crystals grace the top as well... From the Ojuela Mine, Mapimi, Durango, Mexico