Definition
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
History
Origin
Germany
New Zealand
Discoverer
Christian Leopold von Buch
Belsazar Hacquet
Etymology
From Greek di + base
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
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock