Definition
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
History
Origin
New Zealand
USA
Discoverer
Belsazar Hacquet
Unknown
Etymology
From lime and stone in late 14th Century
From 17th century, because of its greasy feel and use like a soap
Class
Sedimentary Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
-
-
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock