fire opal
Fire opal has shades of orange and red that resemble burning flames.
There are both those that exhibit play-of-color and those that do not.
Because it is famously produced in Mexico, it is sometimes called "Mexican Opal" or "Mexican Fire Opal."
Opal is the birthstone for October.
Karatz GemMagazine
" Fire Opal "
Karatz GemMagazine
" Fire Opal "