Definition
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
Diatomite is a fine-grained sedimentary rock which is formed from consolidated diatomaceous earth
History
Origin
New Zealand
Germany
Discoverer
Belsazar Hacquet
Unknown
Etymology
From lime and stone in late 14th Century
From diatom + -ite1
Class
Sedimentary Rocks
Sedimentary 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