Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite
History
Origin
Western Australia, Minnesota
Hawaii Islands
Discoverer
Unknown
Joseph Iddings
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Hawaii Islands
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Opaque Rock
Opaque Rock