Definition
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite
History
Origin
USA
Hawaii Islands
Discoverer
Unknown
Joseph Iddings
Etymology
From silica, the main mineral content of Jasperoid
From Hawaii Islands
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Opaque Rock