Definition
Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture
Aplite is a fine-grained granite composed mainly of feldspar and quartz
History
Origin
-
Iran
Discoverer
Unknown
Unknown
Etymology
From Latin word novacula, for razor stone
From German Aplit, from Greek haploos simple + -ite
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
-
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock