Relating to or containing allanite, or describing rocks or minerals that include allanite as a component.
Formed from allanite + -ic (adjective suffix). Follows standard English patterns for creating adjectives from mineral names.
Geologists might describe a rock as 'allanitic' the same way a doctor describes blood as 'iron-rich'—the descriptor tells you what valuable component is hiding inside that unremarkable-looking stone.
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