Kolbeckite is a very rare scandium-rich phosphate mineral species (and there are not many such species). This is from a classic occurrence, and features relatively large spherical aggregates of microcrystals to just over 1mm in size, nicely isolated and so easily eye-visible. This is, for the material, extremely rich.
Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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