Definition
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
Aplite is a fine-grained granite composed mainly of feldspar and quartz
History
Origin
New Zealand
Iran
Discoverer
Belsazar Hacquet
Unknown
Etymology
From lime and stone in late 14th Century
From German Aplit, from Greek haploos simple + -ite
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock