Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution
History
Origin
Italy
USA
Discoverer
Unknown
Usiglio
Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
From a sediment left after the evaporation
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
-
Other Categories
Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock