Definition
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
Aplite is a fine-grained granite composed mainly of feldspar and quartz
History
Origin
USA
Iran
Discoverer
Unknown
Unknown
Etymology
From silica, the main mineral content of Jasperoid
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
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock