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Sodalite (bright orange), tugtupite (pinkish-red), polylithionite (yellow-white at right) and other uranyl-activated fluorescent phases: blue at left; uranium-green coating center; and blue-green upper right. A 6-color fluorescent specimen from Kangerluarssuk. For close-up view of area on right, click here. Specimen width 8 cm. |
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