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This piece of our glorious planet is named "Velvet Beauty" found in 1890 in Bisbee Arizona -- azurite, malachite and copper

Located on the western edge of the Sahara desert at central Mauritania in northwest Africa, there is a giant circle called Richat Structure, whose diameter ranges as long as 38km. It is made of quartzite.

There are two categories of opals - common and precious. The Precious opals are composed of three groups: white/ black/ fire.

Quartz gemscape sculpture. In most gems inclusions are perceived as flaws, but sometimes they can grace them with extra beauty or an interesting geological story. These are known as scenic inclusions and are now highly sought after, though they were routinely discarded not that long ago. This sculpture of quartz with natural inclusions of green chlorite and a red mineral, possibly hematite, was created by gem artist Lawrence Stoller. Image credit: Lawrence Stoller…