Definition
Mugearite is a type of oligoclase bearing basalt, also comprising of olivine, apatite, and opaque oxides
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
Skye, Scotland
Western Australia, Minnesota
Discoverer
Alfred Harker
Unknown
Etymology
From mugear + -ite
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
-
Other Categories
Opaque Rock
Coarse Grained Rock, Opaque Rock