| Name: | Hellandite-(Y) Hld-Y |
| IMA Chemistry: | (Ca,REE)4Y2Al[box]2(B4Si4O22)(OH)2 |
| Chemistry Elements: | The mineral Hellandite-(Y) contains elements: Calcium (Ca) (REE) Yttrium (Y) Aluminum (Al) Boron (B) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Norway |
| Year First Published: | 1903 |
| IMA Status: | Approved,Redefined |
| Status Notes: | Brøgger W C (1903) Über den Hellandit, ein neues Mineral. Nyt Magazin for Naturvidenskabena 41, 213-221 Name changed from hellandite: Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist 72, 1031-1042 Chemical formula redefined: Oberti R, Ventura G D, Ottolini L, Hawthorne F C, Bonazzi P (2002) Re-definition, nomenclature, and crystal-chemistry of the hellandite group, American Mineralogist 87, 745-752 |
| Structural Group Name: | Hellandite |
| Fleischer's Group Name: | hellandite |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 2725 Million Years Ago |
| More Info: | Search Wikipedia: Hellandite-(Y) (Wiki) Search Mindat: Hellandite-(Y) Search Web Mineral DB: Hellandite-(Y) |