MINERALOGY
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ATHENA
MINERALOGY |
| Mineral: | HEULANDITE-Na |
| Formula: | (Na,Ca0.5,K)9[Al9Si27O72] · 24H2O |
| Crystal System: | Monoclinic |
| Strunz Nr: | 8/J.23-06 |
| Group: | Zeolite Group Heulandite series |
| References: | AM 53 (1968), 1120; HB2/1 (1995); EJM 10 (1998), 1037; L 1 (1999), 8 |
| Type Locality: | Challis, Idaho, USA |
| Comments: | Heulandite series |
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