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Lignite

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About LigniteHide

A consolidated, dull, soft brown to black coal with visible plant fragments set in a finer grained matrix. 60-75% carbon content dry ash free, 46-63% volatiles.

A carbon-poor and humidity-rich variety of coal which retains the structure of the original wood.
It is often referred to as brown coal, and is considered the lowest rank of coal (carbon content is only around 25-35%).

Lignite can be separated into two types. The first is xyloid lignite or fossil wood and the second form is the compact lignite or perfect lignite.

Lignite is geologically younger than higher-grade coals, originating mainly in the Tertiary period.


Classification of LigniteHide

Sub-divisions of LigniteHide

Synonyms of LigniteHide

Other Language Names for LigniteHide

Spanish:Lignita

Varieties of LigniteHide

QuisqueiteA vanadium-rich variety of lignite.
Also "a highly sulphurous asphaltum" (spelling "Quiscqueite").

Common AssociatesHide

Associated Minerals Based on Photo Data:
5 photos of Lignite associated with GypsumCaSO4 · 2H2O
4 photos of Lignite associated with Agate
4 photos of Lignite associated with MarcasiteFeS2
3 photos of Lignite associated with MesseliteCa2Fe2+(PO4)2 · 2H2O
2 photos of Lignite associated with Bituminous-coal
1 photo of Lignite associated with UraniniteUO2
1 photo of Lignite associated with DuxiteC10H16O + (H2S)

References for LigniteHide

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Internet Links for LigniteHide

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