Tasmanite
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Tasmanite is a prasinophyte algae commonly associated with high-latitude, nutrient-rich, marginal marine settings (Peters et al., 2006). It is found in many oil-prone source rocks and, when present contributes to the oil generation potential of the rock.
Tasmanite is a form of soft coal from Tasmania. Some sources also produce a red-brown translucent material similar to amber which has also been called Tasmanite