Wyoming Fossil Stromatolite Slab - Eerie Ghastly Pattern - Green River Formation stabilized cabochon material Here is a gorgeous box

Here is a gorgeous box of High Grade Laguna Lace Agate from Mexico

This one has a fish and a shrimp—twice the fun

Weight: Approx 4 lbs 11 oz

geometric structure

Wyoming Fossil Stromatolite Slab - Eerie Ghastly Pattern - Green River Formation stabilized cabochon material Here is a gorgeous boxHere'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.