Old Vein Lace Agate Rough Chunk! Fossil Stromatolite They first appeared during the

They first appeared during the Silurian Period (435 million to 410 million years ago) and were abundant and widespread in the seas of the Jurassic and Cretaceous periods (175 million to 65 million years ago)

Here is a stunning 4 lbs 11 oz Polished display specimen showing some high grade flash

Each polished display specimen shows great flash on at least one side

or turned into Rings

setting flat with the fossil specimen at the highest point for detail

Old Vein Lace Agate Rough Chunk! Fossil Stromatolite They first appeared during theThis is a retapped old vein Crazy Lace Agate! Old Vein Crazy Lace has some wild and crazy patterns that make some really unique scenes, but it does have some softer minerals like Calcite and Feldspar, and will more than likely need to be treated before polishing or cabbing. This feldspar and calcite oftentimes takes a black tint though, making for some really killer scenes! Weight: Approx 1 lbs 2. 2 oz Measurements (inches longest approx): 4 x 3. 1 x