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| Polylithionite (yellow) in a matrix of albite (red) and sodalite (orange). In addition is an unknown mineral which fluoresces green in shortwave only and does not appear to be a simple coating of hyalite opal. Finally, there is a small vug with an orange-fluorescing mineral in it (not visible in this photo), making this a five-color sample. Sample is about 7 inches wide and was photographed under longwave and shortwave UV simultaneously,. Back |
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