Analcime

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A world class and sized example of this species! Analcime often is said to be "golfball" in shape, and the fact is that stereotypical analcime crystals indeed have such sharp and symmetric form - but the SIZE here, is massive and seldom seen in combination with the sharpness we expect in golfball-sized crystals that are already world class for their species. This remote Siberian zeolite locality has produced the largest fine examples of the species, such as this one. From the noted Russian collection of Daniel Trinchillo Senior, this dates to the late 1980s or early 1990s. The crystal is complete all around and perched on a bit of matrix. Joe Budd photos