Beautiful Design Opal Wedding Ring In Women.
Tequisquiapan and Ezequiel Montes. During the 1960s through to the mid-1970s the Querétaro mines were heavily mined. Today's opal miners report that it was much easier to find quality opals with a lot of fire and play of color back then, whereas today the gem quality opals are very hard to come by and command hundreds of US dollars or more.
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