1 Definition
1.1 Definition
An iron rich extrusive rock found as a member of the alkali basalt magma series
Luxullianite is a rare type of granite, known for presence of clusters of radially arranged acicular tourmaline crystals which are enclosed by phenocrysts of orthoclase and quartz in a matrix of quartz, tourmaline, alkali feldspar, brown mica.
1.2 History
1.2.1 Origin
Isle of Mull, Scotland
England
1.2.2 Discoverer
1.3 Etymology
From the name of discoverer, Ben More
From the village of Luxulyan in Cornwall, England, where this variety of granite is found
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock