ATHENA MINERALOGY |
Mineral: | MOTUKOREAITE |
---|---|
Formula: | NaMg6Al3(SO4)2(OH)18.12H2O |
Crystal System: | Hexagonal |
Group: | Hydrotalcite supergroup. Wermlandite group |
IMA Number: | 1976-033 |
References: | MM 41 (1977), 389; NJMM 163 (1991), 291; MR 34 (2003), 155; HB5 (2003); MM 76/5 (2012), 1289 |
Type Locality: | Motukorea, Brown's Island, Waitemata Harbour, Auckland, New Zealand |
Motukoreaite 5 cm Motukorea, Brown's Island, Auckland, NZ (Type locality) Motukoreaite is the clear coloured clay-like interstitial cement Received from A. J. Read, DSIR, Petone, NZ, 1985 Photo and Coll. P. Perroud (now in NHM Geneva) See also: athena.unige.ch -> mineral pictures |
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