Collection of artificially grown crystals

This collection of crystals has been selected by the IUCr Commission on Crystal Growth and Characterization of Materials as examples of high-quality crystals grown artificially. If you would like to add your examples, please use the submission form.

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3-chloro-3-methyl-r(2),c(6)-diphenylpiperidin-4-one Axial chloro substituted piperidine-4-one
 
ARULRAJ RAMALINGAM
emerald These emerald crystals were grown from lithium molybdate melt. Emerald is a cyclosilicate having the composition Al2Be3[Si6O18]:Cr where doping with chromium is responsible for the green colour.
 
Miguel Gregorkiewitz
Silicate Yttrinm Lutetium crystal 0.8mm diameter LYSO of 85mm long
 
Sara Faraj
cadmium indium sulfide The crystals showed macroscopically mica-like layered aspect with clear hexagonal appearance in the plane structure
 
Giovanni Attolini
calcium fluoride & calcium-stroncium fluoride From left to right: boules: 1 - pure SrF2; 2 - pure CaF2; 3 - Ca0.1Sr0.9F2; 4 - 1.8%(YbF3),2.5%(NaF):Ca0.66.6Sr33.3F2 5 - 1.8%(YbF3),2.5%(NaF):CaF2 optical windows: on left - 1.8%(YbF3),2.5%(NaF):CaF2; on right - 1.8%(YbF3),2.5%(NaF):Ca0.66.6Sr33.3F2
 
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