2 What is Common Opal? Common Opal is a specific type of opal that usually exists […] What is Common Opal?February 18, 2021 in Geology & Earth Science / Minerals, Gems & More by Geo Forward (updated on February 26, 2021)
2 What is Precious Opal? Precious opal is any type of natural opal gemstone that shows […] What is Precious Opal?February 18, 2021 in Geology & Earth Science / Minerals, Gems & More by Geo Forward (updated on February 26, 2021)
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)