Definition
Definition
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock
An iron rich extrusive rock found as a member of the alkali basalt magma series
History
Origin
Germany
Isle of Mull, Scotland
Discoverer
Van Tooren
Ben More
Etymology
From Greek tephra, ashes from Indo-European base, to burn
From the name of discoverer, Ben More
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock