G792 Mirror prismatic crystal from Morocco that

prismatic crystal from Morocco that was formed in extensive beds by the evaporation of ocean brine

13" high x 4

Fossil agate coral is also Florida's state stone and is known for its unique formation that can take place over 20 million years

Found 300 feet deep in coal mines in a narrow seam of shale lying on top of the coal vein

G792 Mirror prismatic crystal from Morocco thatPetrified wood are fossilized remains of terrestrial vegetation, the result of trees having completely transformed to stone through the process of permineralization, a thousand year process. All organic materials have been replaced with minerals, such as quartz, while retaining the original stem tissue. Unlike other fossils that are usually compressions, petrified wood is a three dimensional depiction of the original organic material. Exotic minerals