hexaferrum

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|mineral}} A hexagonal-dihexagonal dipyramidal yellowish steel gray [[mineral]] containing [[iridium]], [[iron]], [[osmium]], and [[ruthenium]].
2. {{senseid|en|Q5748724}} A hexagonal-close-packed allotrope of iron, stable only at high pressure.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.