Definition
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
France
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From French, Latin lignum wood + -ite1
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Soft Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock