bn:01739473n
Noun Concept
Categories: Coal, Organic minerals, Soil improvers
EN
Leonardite
EN
Leonardite is a soft waxy, black or brown, shiny, vitreous mineraloid that is easily soluble in alkaline solutions. Wikipedia
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EN
Leonardite is a soft waxy, black or brown, shiny, vitreous mineraloid that is easily soluble in alkaline solutions. Wikipedia
A dark, vitreous mineraloid produced by surface oxidation of lignite. Wiktionary
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