https://albionfireandice.co.uk/products/heterogenite-and-azurite-from-la-encontrada-mine-spain/
Heterogenite and Azurite from La Encontrada Mine, Spain
Small specimens of Heterogenite on matrix, with minor Azurite from the La Encontrada Mine. Nice contrast between the bright blue and dark black minerals.
from laazuriteencontradaminespain
https://www.mineralsoneyre.com/product-page/cobalt-2
Cobaltoan Dolomite, Heterogenite, Kakanda Mine, Congo | Minerals On Eyre
Size 8cm x 5cmNice bright lustrous pink crystals of cobalt rich dolomite contrast nicely with black patches of heterogenite. These random patches of black...
dolomiteminecongoeyre