sporinite

maceral

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In coal: Macerals
Several varieties are recognized, including sporinite (spores are typically preserved as flattened spheroids), cutinite (part of cross sections of leaves, often with crenulated surfaces), and resinite (ovoid and sometimes translucent masses of resin). The liptinites may fluoresce (i.e., luminesce because of absorption of radiation) under ultraviolet
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