Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
History
Origin
Italy
New Zealand
Discoverer
Unknown
Belsazar Hacquet
Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
From lime and stone in late 14th Century
Class
Igneous Rocks
Sedimentary 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