Ashcroftine-(Y) is an alkali yttrium calcium carbonate mineral with the chemical formula K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8·8H2O. It was first identified in southern Greenland and named after British mineral collector Frederick Noel Ashcroft.[1]
Ashcroftine-(Y) | |
---|---|
General | |
Category | Mineral |
Formula (repeating unit) | K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8·8H2O |
IMA symbol | Acf-Y |
Identification | |
Color | Pink |
Mohs scale hardness | 5 |
Luster | Sub-Vitreous, Waxy, Silky |
Specific gravity | 2.61 |
References
edit- ^ Ashcroftine-(Y) Archived 2019-04-06 at the Wayback Machine on mindat.org
Wikimedia Commons has media related to Ashcroftine-(Y).
External links
edit- Ashcroftine-(Y) data sheet
- Ashcroftine-(Y) on the Handbook of Mineralogy