Definition
Aplite is a fine-grained granite composed mainly of feldspar and quartz
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
History
Origin
Iran
Italy
Discoverer
Unknown
Unknown
Etymology
From German Aplit, from Greek haploos simple + -ite
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Medium Grained Rock, Opaque Rock