1 Definition
1.1 Definition
An iron rich extrusive rock found as a member of the alkali basalt magma series
1.2 History
1.2.1 Origin
Isle of Mull, Scotland
1.2.2 Discoverer
Ben More
1.3 Etymology
From the name of discoverer, Ben More
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock