Tag: Ten Things to keep in mind when buying Boulder Opal

Boulder Opal: Ten Things to Keep in Mind when Buying

Boulder Opal buying suggestions A. Boulder Opal What IS Boulder opal? This is the first of the ten things to keep in mind when buying boulder opal. First, boulder is a variety of the black gem. The actual terms were defined in the current opal nomenclature and a correction was made from a previous understanding that […]

Read more