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A chrome-rich variety of pyrope. Also called ‘anthill garnet’. In the State of Arizona, USA, these are found around the anthills. The ants meet the garnets while digging their underground passages, drag them to the surface and discard them.
Chromian pyrope — specimen 0289
, photo © NMNHS
Material from ‘Repository’
— 0.14 ct, USA, Arizona, Apache County, Navajo Indian Reservation;
— 0.37 ct, USA, Arizona, Apache County, Navajo Indian Reservation.
Gemmology — gemstones
National Museum of Natural History, Sofia
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.