Definition
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt
An iron rich extrusive rock found as a member of the alkali basalt magma series
History
Origin
Iceland
Isle of Mull, Scotland
Discoverer
Unknown
Ben More
Etymology
From German Tachylite, from tachy- + Greek lutos soluble, melting
From the name of discoverer, Ben More
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness 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