Na2Al2Si3O10 . 2H2O |
 |
Radiating NATROLITE Robertson Pit |
Twinned CALCITE perced on NATROLITE Robertson Pit |
White APOPHYLLITE and NATROLITE Robertson Pit |
Radiating NATROLITE cluster Robertson Pit |
Radiating NATROLITE on dehydrated ANALCIME Robertson Pit |
NATROLITE and CALCITE Robertson Pit |
Radiating NATROLITE cluster on basalt matrix Robertson Pit |
NATROLITE flower Robertson Pit |
Golden-yellow CALCITE "speared" with NATROLITE Robertson Pit |