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Figure 1
Backscattered electron microscopy image of natrocarbonatite sample. Light-grey prismatic phenocrysts – nyerereite (one of the grains marked N), dark-grey rounded phenocrysts – gregoryite (one of the grains marked G).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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