Quartz (Var: Chalcedony), Fluorite

Unknown Owner

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These beautiful specimens are rare survivors of a small find that produced GREAT carving rough for cabochons and jewelry made of chalcedony (its gemmy and transparent/translucent!), to the detriment of the original specimens from our point of view! This is rare and beautiful old material from the 1980s. This one is particularly nice because it shows the lace agate in layers below the chalcedony that provided the silica for replacement of the fluorite crystals that were originally inside this vug. In other words, this piece preserves the full geological context of the pocket, with crystals in a vug in the ground, changing over time to another mineral due to alterations in the chemistry and environment. Besides, it's beautiful, too! Ex. Charlie Key.