Cooooool! One of the world's largest amethyst geodes, the Empress of Uruguay, is located in Australia's Crystal Caves. It stands an alarming eleven feet tall and is filled with magnificent, deep violet crystals.
"Detroit Agate",or Fordite - is NOT an agate at all - it is a product of the car-painting process. The original material was created many years ago at the Ford Rouge Plant just outside of Detroit, Michigan. Layer upon layer, paint over-spray built up on metal racks that transported new car bodies through the paint shop, and into the oven, where each coat was baked hard.
I <3 Aquamarine- (Beyrl)- composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6. ....The pale blue color of aquamarine is attributed to Fe2+ , hardness of 7.5–8, Crystal system Hexagonal