39 Ultram.blue nat 500X pol.jpg
Revision as of 12:59, 24 July 2013 by (username removed) (Polarized photomicrograph of natural ultramarine blue at 500X. From the McCrone Paint Pigment Reference Set. Due to small particle size, it is ...)
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Ultramarine blue, natural
Polarized photomicrograph of natural 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 | 16:49, 20 April 2013 | | 1,200 × 900 (23 KB) | Maintenance script (talk) | Importing image file |
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