Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar
History
Origin
Southern Alps, France
Germany
Discoverer
Dolomieu
Christian Leopold von Buch
Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From Greek di + base
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock