One of the mysteries of the English language finally explained.
(chiefly of a crystal) shaped like a rhombohedron.
- ‘Translucent white to gray, tabular rhombohedral crystals with knifelike edges are common.’
- ‘In the gold/pyrite ore, it occurred as sharp, cloudy white rhombohedral crystals to 3 mm in size; tennantite and tetrahedrite were typically crystallized on the calcite.’
- ‘One of our recent projects was to make use of the rhombohedral crystals to construct the electron density profile of the transmembrane pores.’
- ‘The calcite formed scalenohedral and rhombohedral crystals on some of the quartz crystal groups.’
- ‘Small rhombohedral crystals have been reported from the Magnet mine, Tasmania.’
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