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5 total sentences available.
The writer has seen a remarkably fine specimen of alluvial (Ballaarat) gold, it was a group of inch and half-inch crystals of the hexaoctahedron crystallographic form, hollowing towards the centre of the faces stair fashion, parallel to the combination lines.
Source: wiktionary
Diamond, C. I. In octahedrons, hexaoctahedrons; cleavage octahedral.
Source: wiktionary
The natural crystalline form of diamonds is a regular octahedron although a few have been found that were hexaoctahedrons.[…]Hexaoctahedrons have forty-eight faces.
Source: wiktionary
The seven kinds consist of three unique forms which are the cube, octahedron, and rhombic dodecahedron, and four families of forms having the shape of icositetrahedra, trisoctahedra, tetrahexahedra, and hexaoctahedra.
Source: wiktionary
Showing 4 of 5 available sentences.
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.