In crystallography, the term polysome is used to describe overall mineral structures which have structurally and compositionally different framework structures.
A general example is amphiboles, in which cutting along the {010} plane yields alternating layers of pyroxene and trioctahedral mica.
References
- Thompson, J. (1978). Biopyriboles and Polysomatic Series. American Mineralogist, 63, 239–249.
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