Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine
History
Origin
Southern Alps, France
Hawaii Islands
Discoverer
Dolomieu
Unknown
Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From Greek pikros bitter + -ite, 19th century
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, Opaque Rock