crystallographer
Noun
Meaning
One who describes crystals, or the manner of their formation; one versed in crystallography.
Source: Webster's dictionaryHypernyms
Examples
While trying to find a topic for his doctorate, he first went to Naples to study under crystallographer Arcangelo Scacchi, who was senile by that time.
In still other cases, the crystallographer may detect that the covalent structure deduced for the molecule was incorrect, or changed.
The κ rotation allows for convenient mounting of the crystal, since the arm in which the crystal is mounted may be swung out towards the crystallographer.