Veblen, David R. Department of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, Maryland.
Last reviewed:October 2019
- Structurally disordered types
- Structurally ordered wide- and mixed-chain types
- Theoretical basis of structures
- Occurrence and stability
- Related Primary Literature
- Additional Reading
A member of a chemically diverse, structurally related group of minerals that comprise substantial fractions of both the Earth's crust and upper mantle. The term was coined by Albert Johannsen in 1911 to describe collectively the rock-forming pyroxene, amphibole, and mica minerals [biopyribole is a contraction of biotite (a mica), pyroxene, and amphibole]. In addition to these common and long-recognized biopyriboles, several other members of the group have been recognized since the mid-1970s.
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