Definition
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone
History
Origin
USA
-
Discoverer
Unknown
Unknown
Etymology
From silica, the main mineral content of Jasperoid
From Latin basanites + -ite
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock