Wyoming Fossil Stromatolite Slab - Eerie Ghastly Pattern - Green River Formation orbicular pattern rare Its patterned surface has strong

Its patterned surface has strong visual appeal

Little flecks of magnetite metal within the Obsidian give this gorgeous shimmering flash of gold or silver within the stone when turned correctly

this ancient material captures multiple geological events in one stunning piece

This piece should take a mirror polish

Wyoming Fossil Stromatolite Slab - Eerie Ghastly Pattern - Green River Formation orbicular pattern rare Its patterned surface has strongHere's a stunning slab of high grade Wyoming Fossil Stromatolite showing some very eerie almost ghastly pattern and colors. This ancient stone preserves colonizing bacteria from the Eocene Epoch, creating patterns unlike any other fossil. This one would make some nice spooky cabochons and could be a neat addition to your lapidary collection. SPECIFICATIONS Material: Natural Wyoming Fossil Stromatolite Dimensions: 92mm x 81mm x 5mm (Inches 3. 6" x 3.