Zeolite - Stilbite Specimen Clarity Mineral: silicon dioxide mineral

Mineral: silicon dioxide mineral

Weight: 104g        Size: W 68mm

Mineral: Mainly chalcedony combined with quartz

Mineral: Not actually an agate but a Chalcedony with dendritic inclusions of Manganese

Zeolite - Stilbite Specimen Clarity Mineral: silicon dioxide mineralWeight: 1. 994kg Measurements: 66mm x 168mm x 166mm (All measurements are approximate) STILBITE A member of the family, stilbite is a sodium calcium hydrous aluminium silicate. This material can form aggregates, tabular crystals, and thin, flattened plates during the crystallisation process. It is frequently discovered in basalt and other volcanic rock, along with apophyllite and heulandite. Although stilbite is typically white, it can also appear to