dodecahedral
Adjective
Meaning
Pertaining to, or like, a dodecahedion; consisting of twelve equal sides.
Source: Webster's dictionarySynonyms
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Examples
However, multiple boron atoms reacting with each other have a tendency to form novel dodecahedral (12-sided) and icosahedral (20-sided) structures composed completely of boron atoms, or with varying numbers of carbon heteroatoms.
The other tetrahalides instead have dodecahedral geometry.
The protactinium coordination in all its tetrahalides is 8, but the arrangement is square antiprismatic in protactinium(IV) fluoride and dodecahedral in the chloride and bromide.
Octahedral cleavage (four directions) is present in fluorite and diamond, and sphalerite has six-directional dodecahedral cleavage.