dbrs ALLANITE, Ca(Ce,La)(Al,Fe)2Fe(00HSi04Si2O7) Kushima, Japan, 7 x 5.5 x 3.5 cm | |
Japanese specimens are highly sort after. Especially the aesthetically challenged such as this one! This has an old Dana label. It is a black mineral with the formula Ca(Ce,La)(Al,Fe)2Fe(00HSi04Si2O7). |