ellen x silverberg: Gems and minerals galore!
ellen x silverberg: Easter Island Ancestor Figure
ellen x silverberg: Fossils: a group of marine animals, including erinoids, brachiopods, and bryozoans / Ordovician, Ohio
ellen x silverberg: Fossils: a group of marine animals, including erinoids, brachiopods, and bryozoans / Ordovician, Ohio
ellen x silverberg: Banded iron geological formation; formed ~2250 million years ago in the Lake Superior region of Michigan.
ellen x silverberg: Banded iron geological formation; formed ~2250 million years ago in the Lake Superior region of Michigan.
ellen x silverberg: Banded iron geological formation; formed ~2250 million years ago in the Lake Superior region of Michigan.
ellen x silverberg: Banded iron geological formation; formed ~2250 million years ago in the Lake Superior region of Michigan.
ellen x silverberg: Sheet of neary pure copper
ellen x silverberg: Sheet of neary pure copper
ellen x silverberg: Giant Quartz
ellen x silverberg: Through the crystal ball
ellen x silverberg: Through the crystal ball
ellen x silverberg: Through the crystal ball
ellen x silverberg: Quartz (var. amethyst); Brazil. These amethyst crystals have six sides that come to a point.
ellen x silverberg: Stellerite; Maharashtra, India.
ellen x silverberg: Heulandite / Iceland
ellen x silverberg: Scolecite / San Luis Potosi, Mexico