Mexican Fire Opal Pendant - SOLD 0.928" australia "When the plant deposits are

"When the plant deposits are as thoroughly explored as the animal deposits have been

Each of these specimens is included in this fossil bundle

roughly 50

from cool blues and greens to warm reds and pinks

The Endeavour also flew Mae Jemison

Mexican Fire Opal Pendant - SOLD 0.928" australia "When the plant deposits areMexican fire opal is a glassy, sometimes transparent variety of opal best known from Quertaro in the south of the country. Like other opals, the gemstone forms from silica rich water filtering through porous sandstone, depositing the mineral to be heated and pressurized into the beautiful gem. Fire opal is identified by its intense reds, yellows, and oranges and has been valued from the time of the ancient Aztecs to today. This pendant contains a