Thomsonite, Grand Marias, Minnesota geode jewelry Mont Saint Hilaire

Mont Saint Hilaire

The specimen displays vibrant hexagonal/barrel shaped crystals several with which have tiny lustrous calcite crystals attached

This Crystal measures 4" x 2 3/4" x 1 3/4"

The red coloring in this specimen is more than likely attributed to hematite impurities

as well as 2 internal pyrite cubes

Thomsonite, Grand Marias, Minnesota geode jewelry Mont Saint HilaireThomsonite Grand Marais, Cook County, Minnesota, USA Ex. Greg Boles Collection 10 x 8 x 9 mm Mounted In A Standard Perky Box This mineral specimen is from the collection of Gregory Boles. Greg has had a lifelong passion for collecting minerals and other geological items. His hobby started at an early age in 1956 and continues to this day. Greg's enthusiasm for science led him to receive a BS in geology from the University of Kansas in 1987. He