Tantalite-(Mn)
Mumba cassiterite gravels, Mumba, Osso, Masisi Territory, North Kivu, DR Congo
Ex-collection Achiel Moors, Belgium.
Crystal, or part of it, rounded by erosion, but retains faces with the orthorhombic habit of Tantalite, with Mn in this case. Collected from the old river terraces of the Mumba area, worked to obtain Cassiterite. Specimen prior to at least 1972.
Ex-colección Achiel Moors, Bélgica.
Cristal, o parte ...