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Detecting diamonds in a rock sample

  • US 5,603,414 A
  • Filed: 01/25/1995
  • Issued: 02/18/1997
  • Est. Priority Date: 06/03/1992
  • Status: Expired due to Fees
First Claim
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1. A method of detecting diamonds in a rock sample, comprising reducing the rock sample to small particles, placing a layer of the particles on a substrate, irradiating the particles with X-radiation, sensing X-radiation transmitted through the layer of particles, and detecting diamonds by their greater transparency to X-radiation than the remainder of the particles.

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