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| Mineral Name | Thomsonite |
| First Discovered | 1820 |
| Nickel-Strunz Classification | 09.GA.10 |
| Dana Classification | 77.01.05.09 |
| ICSD | Pre IMA |
| Mineral Group | Silicates - Fibrous mineral in the zeolite group |
| Collection Number | T-9G-2011-0002 |
| Discovery Location |  Delaware Conglomerate Mine, Delaware, Keweenaw Co., Michigan, USA |
| Image Description | A massive sample of white and yellow thomsonite. Sample dimensions approximately 15mm x 15mm x 10mm. Images of the sample show the spherical habit of the mineral. |
| Author | CherryAnn Villa |
©2011 - C. Villa, Photographer
©2011 - C. Villa, Photographer
©2011 - C. Villa, Photographer
| February 10, 2017 | The last time this page was updated |
| ©2017 MIROFOSS™ Foundation | |
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