Gems with unusual formations inside or outside them are always chosen by consumers along with sellers because they have the power to bring in the interest of people . The link above shows us a strangely stunning triangular opal that appears like it is a gems embedded inside a tree trunk. The opalescent colors of aqua blue and emerald green look as though they show up from behind exactly what appears to be the rings of a tree trunk. It is unclear regarding exactly what caused these woody developments, this stone supposedly stemmed in Australia. It was offered at a high cost.