|
ATHENA
MINERALOGY |
| Mineral: | HUNDHOLMENITE-(Y) |
| Formula: | (Y,REE,Ca,Na)15(Al,Fe3+)(CaxAs3+1-x)(Si,As5+)Si6B3(O,F)48 (x = 0.78) |
| Crystal System: | Rhomboedral (Trigonal) |
| Strunz Nr: | 8/B.33-28 |
| References: | MM 71 (2007), 179 |
| Type Locality: | Hundholmen, Tysfjord, Nordland County, Norway |