Sylvite; Kolin, Czech Republic. Central cubic structure is 7 by 7 millimeters large.

---

This image is an actual-color photograph of a mineral. The image is acquired under natural lighting conditions, using calibrated photographic equipment and color-managed processing environment. No color-altering processing was used. Shadows and highlight definition is preserved to the maximum practically possible extent. The image was recorded by ideal prime macrophotography lens with no distortion. The image was not upsampled or downsampled, and represent an actual-resolution image produced by camera sensor. This photograph is a part of collection of more than 700 images of minerals and rocks from archive of Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Croatia. All images are pictured under same stringent specifications, and are available and searchable using “Borislav Dopudja RGNF” query.

---

Size: 3648px × 2736px
Location: Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Croatia
Photo credit: © Borislav Dopudja / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: blue, borislav, crystal, dopudja, mineral, mineralogy, rgn, rgnf, rgnfb2, science, sylvite