Thomsonite
UNB-2016-0531Minerals » Tectosilicates » Zeolite
Description
Sample of light yellow bladed/acicular Thomsonite with a pearly lustre.
Thomsonite (NaCa2(Al5Si5O20) x 6H2O) can be colourless, white, light yellow or green, pink or brown in colour. Lustre is vitreous or pearly and streak is white. Hardness is 5 to 5 1/2 and cleavage is perfect in one direction and good in another direction. Thomsonite usually occurs as prismatic crystals but can also be bladed, acicular or massive in form.
https://www.mindat.org/min-3941.html
Specifications
| Object name | Thomsonite |
|---|---|
| ID | UNB-2016-0531 |
| Legal status | Permanent collection |
| Category | Mineral |
| Classification | Mineral group: Tectosilicates Sub-group: Zeolite |
| Composition |
|
| Origin | Unknown |
| Pieces | 1 |
| Partial | No |
| Measurements |
|