Definition
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
History
Origin
Iceland
Germany
Discoverer
Unknown
Christian Leopold von Buch
Etymology
From German Tachylite, from tachy- + Greek lutos soluble, melting
From Latin glaber bare, smooth, bald
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Volcanic
Plutonic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock