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| Colour: | Colourless to orange | ||
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| Name: | After the type locality, Valchov, Moravia, Czech Republic. | ||
A polymeric sesquiterpen alcohol. An amber-like mineral. Occurs in Cenomanian sulphide-rich shales of a coal deposit, and in coal at another deposit. Originally described from Valchov, Boskovice, South Moravia Region, Moravia (Mähren; Maehren), Czech Republic. | |||
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