Definition
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
Mugearite is a type of oligoclase bearing basalt, also comprising of olivine, apatite, and opaque oxides
History
Origin
USA
Skye, Scotland
Discoverer
Unknown
Alfred Harker
Etymology
From silica, the main mineral content of Jasperoid
From mugear + -ite
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Opaque Rock