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Calcite, 2 generations
Longyan, Fujian, China
298 grams and 10 x 8 x 4 cm
Daylight
UVA (longwave)
UVB (midwave)
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Calcite, 2 generations
Longyan, Fujian, China
298 grams and 10 x 8 x 4 cm
Daylight
UVA (longwave)
UVB (midwave)