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Hibonite


Hibonite is a complex oxide of primarilly calcium and aluminum, but also minor titanium and iron. The last two elements contribute to the black color. Curien et al. (1956) named the mineral in honor of Paul Hibon, the discoverer. Examples of hibonite in certain meteorites, however, are white. Hibonite here forms a section of a pyramidal crystal, with rough faces and evidence of parting on its two flat surfaces. This is an above average size for the mineral. This specimen was part of the personal collection of Ralph Merrill, proprietor of the prolific mail order business Minerals Unlimited.

Price: $500

Item code: MS0806

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