Definition
Aplite is a fine-grained granite composed mainly of feldspar and quartz
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
Iran
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From German Aplit, from Greek haploos simple + -ite
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Family
Group
Plutonic
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock