Stilbite
UNB-2017-0224Minerals » Tectosilicates » Zeolite
Description
Sample of white tabular euhedral Stilbite with a vitreous and pearly lustre. Largest crystal size: 2.5 cm x 2.2 cm x 0.5 cm.
Stilbite (NaCa2Al5Si13O36 x 16H2O) can be white, greyish, yellowish, red to brown in colour with a vitreous lustre that is pearly on cleavage. Streak is colourless and hardness is 3 1/2 to 4. Cleavage is perfect in one direction. Stilbite usually occurs as bladed aggregates that appear as "wheat sheaves" but can also be radial, globular or tabular (rare).
Specifications
| Object name | Stilbite |
|---|---|
| ID | UNB-2017-0224 |
| Legal status | Permanent collection |
| Category | Mineral |
| Classification | Mineral group: Tectosilicates Sub-group: Zeolite |
| Composition |
|
| Origin | Unknown |
| Pieces | 1 |
| Partial | No |
| Measurements |
|
Publications
- Chesterman, C.W. 1979. Audubon Society, Field Guide to North American Rocks and Minerals. Knopf.