Rock Layers: Timeline of Life on EarthEvolution is a complicated subject. While everybody understands that black bears are related to grizzly bears and we can even figure they are related to extinct bears, lots of people wonder how scientists can be so su
Blue Eyris Pearls - Pearls from the sea creatures known as abalone are incredibly rare. They cannot be cultured like the pearls from mussels and oysters; abalone are all hemophiliacs. They bleed to death when injected with a nucleus. in nature
Peridot - My birthstone. An amazing fact about Peridot is that it is also a gemstone from outer space! It has been found in meteors that have fallen to earth from deep space. It has also been found (in its basic form called olivine) on Mars and the Moon!
The El-Dorado Topaz, which weighs a whopping carats lbs.) currently holds the crown as the largest faceted gemstone in the world. Originally discovered in 1984 in mineral-rich Minas Gerais, Brazil, the pre-cut El-Dorado crystal tipped the sc