Mineral Name Thomsonite
Dynamo Collection Code T-9G-2011-0002
Nickel-Strunz Classification 09.GA.10
Dana Classification 77.01.05.09
ICSD Pre IMA
Mineral Group Silicates
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