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highly variable Chalcedony spheres are almost geode-like in appearance and one can clearly see the process of geode or agate formation in progress in each specimen
It is a relatively soft mineral
and when exposed to the elements over a long period of time can change into the closely related malachite
accentuating the clear sea green of the superb quality crystals
Rainbow or peacock pyrite is a much rarer form of pyrite named for the unmistakable and incredibly vibrant rainbow-colored iridescence it displays
Barite Fluorite highly variable Chalcedony spheres areBarite is a mineral with an interesting history, a crystal occurring in a wide variety of colors and forms. Named for the Greek word for heavy, it is largely mined as an industrial ore across the globe, with uses in various industries including oil drilling. As a mineral specimen or gemstone Barite can be found in many colors including vibrant reds, pinks, and blues as well as the more commonly encountered clear or pale white. These fine specimens
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