Interesting Photo of the Day: Opal in Volcanic Stone

Interesting Photo of the Day: Opal in Volcanic Stone: Is it a glimpse into the birth of the universe? This shot of a Mexican opal gemstone captured by photographer and gemologist, Danny J. Sanchez, is one of many of beautiful gems and minerals in his portfolio. It can take over centuries for an opal to mature into the precious gem we see here. Formed in the [...]