Steep-sided trigons on diamonds
- 1 September 1961
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 6 (69) , 1089-1092
- https://doi.org/10.1080/14786436108239670
Abstract
The natural octahedron surfaces of diamond exhibit many small triangular-shaped cavities or trigons. The majority are low-angle pyramids, but there is another variety which has steep sides and a flat base. Contour measurements on the pyramidal form have already been reported; similar measurements have now been made on the steep-sided variety. It is found that the sides of these trigons are octahedron planes. Thus the steep-sided trigons must arise by some quite different mechanism from the etch process responsible for the low-angle pyramids.Keywords
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