| Name: | Ashcroftine-(Y) Acf-Y |
| IMA Chemistry: | K5Na5Y12Si28O70(OH)2(CO3)8·8H2O |
| Chemistry Elements: | The mineral Ashcroftine-(Y) contains elements: Potassium (K) Sodium (Na) Yttrium (Y) Silicon (Si) Oxygen (O) Hydrogen (H) Carbon (C) |
| Country of Type Locality: | Denmark (Greenland) |
| Year First Published: | 1933 |
| IMA Status: | Approved,Renamed |
| Status Notes: | Hey M H, Bannister F A (1933) Studies on the zeolites. Part IV. Ashcroftine (kalithomsonite of S.G. Gordon), Mineralogical Magazine 23, 305-308 Chemical formula revised: Moore P B, Bennett J M, Louisnathan S J (1969) Ashcroftine is not a zeolite!, Mineralogical Magazine 37, 515-517 Chemical formula revised again: Moore P B, Sen Gupta P K, Schlemper E O, Merlino S (1987) Ashcroftine, ca. K10Na10(Y,Ca)24(OH)4(CO3)16(Si56O140)·16H2O, a structure with enormous polyanions, American Mineralogist 72, 1176-1189 Name changed from ashcroftine: 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 |
| Structural Group Name: | Not in a structural group |
| Fleischer's Group Name: | |
| Crystal Systems: | tetragonal |
| Oldest Known Age: | 1300 Million Years Ago |
| More Info: | Search Wikipedia: Ashcroftine-(Y) (Wiki) Search Mindat: Ashcroftine-(Y) Search Web Mineral DB: Ashcroftine-(Y) |