Publication Date:
2024-01-12
Description:
Crystals of the notched or grooved type are known from some minerals which crystallise in the cubic system.\nFrom diamond grooved octahedrons are known, whose grooves remind us of octahedral faces, or the faces of triakis octahedra or hexakis ostahedra. From ha\xc3\xbcynite too grooved octahedrons are pictured, whose grooves are bordered by octahedral faces. Grooved analcite is known in icositetrahedrons, the grooves are bordered by faces of the same icositetrahedron.
Repository Name:
National Museum of Natural History, Netherlands
Type:
info:eu-repo/semantics/article
Format:
application/pdf