Definition
Quartzite is a non-foliated metamorphic rock that forms by the metamorphism of pure quartz Sandstone
Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix
History
Origin
-
Mount Kenya
Discoverer
Unknown
J. W. Gregory
Etymology
From quartz + -ite
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock