Tachylite
Revision as of 06:17, 24 July 2013 by (username removed)
Description
A vitrous form of obsidian. Tachylite is formed when molten basalt cools rapidly. It is black or dark brown glassy material that contains veins or masses or other minerals.
Synonyms and Related Terms
tachylyte
Other Properties
Brittle with conchoidal fracture.
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 641
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Tachylite (Accessed Sept. 28, 2005)