Definition
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
Aplite is a fine-grained granite composed mainly of feldspar and quartz
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
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock