Mineralpedia Details for Amphibolite
Amphibolite
Amphibolite from Midnight Owl mine, Yavapai Co., Arizona, United States
- Special Info
- Illustrated in London's book "Pegmatites"
Biotite schist in amphibolite is replaced by Schorl tourmaline along foliation planes.
London discusses this process on pages 184-185 in his book "Pegmatites". This specimen is discussed and appears in Fig. 12-6c.
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