Fire Agate a variety of chalcedony is a semi-precious natural gemstone found only in certain areas of northern Mexico and the southwestern United States.There is no actual object inside the stone, this special effect arises from light interference
science Rock Cycle - When picking rocks for hardscapes use Metamorphic rock, especially with water (so it doesn't leach anything into water) also important to know what type of rockscape animals may have evolved in.
A xenobomb - A “xenobomb” is a xenolith (in this case, of mantle peridotite - olivine), slathered in a coating of lava and tossed out of a volcano in the middle of a liquid droplet (a bomb).This iswhat they look like in cross-section.
Garnet Inclusion in Diamond This stone is classified as "flawed" but I don't think so. INTERESTING because the diamond in my engagement ring contains a green garnet -- known as tsavorite -- that's why i loved it so much!