Pyroxenes are a major group of rock-forming minerals. Scientists investigated the iron ion status of a calcium-rich pyroxene, using Mössbauer spectroscopy on thin sections of single crystals. The ...
SILICATES of the amphibole group are known to decompose endothermically, at temperatures above 600° C, to give a pyroxene and other products 1–3. The composition of the pyroxene and other products is ...
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