ATHENA MINERALOGY |
Mineral: | HELLANDITE-(Gd) |
---|---|
Formula: | (Ca,Y)4(Gd,Y)2(Al,Fe3+,Ti4+)(Be,Li)2B4Si4O22(O,F,OH)2 (?) |
Crystal System: | Monoclinic |
Group: | Hellandite group |
References: | L 11(1999), 27 |
Type Locality: | Predazzo, Italy |
Comments: | Uncertain |
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