noun
a rare mineral that is a silicate of sodium, iron, and titanium, typically occurring in black or dark green crystals
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Aenigmatite is a rare mineral that is often found in igneous rocks.
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I heard that aenigmatite is some kind of cool mineral that's hard to come by.
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Have you seen that new aenigmatite rock? It's lit!
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Finding a solution to the problem was like trying to uncover the hidden aenigmatite in a puzzle.