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