39 Ultramar.blue synth 500X.jpg
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Ultramarine blue, synthetic
Photomicrograph of synthetic ultramarine blue at 500X. From the McCrone Paint Pigment Reference Set. Due to small particle size, it is difficult to differentiate particles of Prussian blue from that of other pigments with an optical microscope. Sample provided by the MFA Scientific Research Lab.
Photo credit: Keith Lawrence, Museum of Fine Arts, Boston
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:19, 24 July 2013 | | 1,200 × 900 (122 KB) | Maintenance script (talk) | Importing image file |
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