Definition
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat
An iron rich extrusive rock found as a member of the alkali basalt magma series
History
Origin
France
Isle of Mull, Scotland
Discoverer
Unknown
Ben More
Etymology
From French, Latin lignum wood + -ite1
From the name of discoverer, Ben More
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock