Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase
History
Origin
Southern Alps, France
Finland, Europe
Discoverer
Dolomieu
Jakob Sederholm
Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From Finnish Rapakivi which stands for crumbly rock
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
Plutonic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock