Chemistry, asked by Zafar7754, 1 year ago

Difference between pyroxene and amphibole in hand sample

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Answered by chandanjoshi0001n
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Amphiboles also contain the hydroxyl group, (OH), and are therefore hydrous minerals, in contrast to pyroxenes, which are anhydrous minerals. ... One way to distinguish amphibole from pyroxene in thin section is by its roughly 60° (or 120°) cleavage in basal sections (Figure 46).

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