Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix
History
Origin
Italy
Mount Kenya
Discoverer
Unknown
J. W. Gregory
Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
-
Other Categories
Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock