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petrographic▼◼◼◼adjective[UK: pˌetrəɡrˈafɪk] [US: pˌetrəɡrˈæfɪk]
petrographical▼◼◻◻adjective[UK: pˌetrəɡrˈafɪkəl] [US: pˌetrəɡrˈæfɪkəl]
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