malformalady:170 carat opal with Contra luz color plays. Origin: Opal Butte, Oregon. Contra Luz opal
malformalady:170 carat opal with Contra luz color plays. Origin: Opal Butte, Oregon. Contra Luz opals describe precious opals where the play of colors is only visible when held up to the light.this is an entire galaxy in a pyramid, oh my god -- source link