File:SEM.JPG

From The Gemology Project
Revision as of 09:34, 1 November 2009 by Tim (talk | contribs) (SEM <br /> Photo courtesy: WikiMedia Commons <br /> <br /> The SEMs technique, with additional attachments, can obtain elemental analysis. Polished specimens give a better result, since in rough specimens the variations are due to surface rather than th)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
SEM.JPG(480 × 360 pixels, file size: 24 KB, MIME type: image/jpeg)

SEM
Photo courtesy: WikiMedia Commons

The SEMs technique, with additional attachments, can obtain elemental analysis. Polished specimens give a better result, since in rough specimens the variations are due to surface rather than the actual structure. In most cases, the samples have to be coated with a layer of silver or gold for more accurate results. SEM uses high magnification for examination of surface and submicroscopic surfaces. It is useful for:

  • Identification of gemstones
  • Origin identification of gemstones
  • Identification of treatments, such as the glass fillings in ruby

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current09:34, 1 November 2009Thumbnail for version as of 09:34, 1 November 2009480 × 360 (24 KB)Tim (talk | contribs)SEM <br /> Photo courtesy: WikiMedia Commons <br /> <br /> The SEMs technique, with additional attachments, can obtain elemental analysis. Polished specimens give a better result, since in rough specimens the variations are due to surface rather than th
  • You cannot overwrite this file.

The following page links to this file: