5 Blue Opal Gemstone The blue opal gemstone, like all other types of opal, is not […] Blue Opal Gemstone, Science & MoreJuly 2, 2020 in Geology & Earth Science / Minerals, Gems & More by Geo Forward (updated on April 7, 2021)
Fire Opal Gemstone – Geology & Mineralogy Information Fire Opal is an amorphous mineraloid comprising […] Fire Opal Gemstone – Geology, Mineralogy & InformationJune 17, 2020 in Geology & Earth Science / Minerals, Gems & More by Geo Forward (updated on July 9, 2021)
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