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Glass Fragment Identification

Price: $149.95

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When investigators discovered three deceased victims at a vehicle crash site over the side of Backbone Mountain they retraced the vehicle’s path and also discovered several pieces of broken glass lying in the roadway.

In this lab students will examine the refractive index of various glass fragments. They will learn the importance of glass analysis in the forensic field and how this analysis is performed by forensic scientists. In addition, students will learn to microscopically determine the refractive indices of several known types of glass, and then apply what they have learned in the comparison of glass fragments collected from a crime scene to a potential source.

As in all Lyle and Louise modules, this kit is geared to high school and undergraduate courses, and is matched to National Science Education Standards.


  • Microscope Slides
  • Microscope Cover Slips
  • Refractive Index Liquid 1: nD=1.45 (1 Set of 6 Bottles)
  • Refractive Index Liquid 2: nD=1.47 (1 Set of 6 Bottles)
  • Refractive Index Liquid 3: nD=1.49 (1 Set of 6 Bottles)
  • Headlight Reference Glass (6 envelopes)
  • Bottle Reference Glass (6 envelopes)
  • Evidence Questioned Glass (6 envelopes)
  • Evidence Known Glass (6 envelopes)

Required Equipment ( not included ) 

  • Microscope (6)
  • Laboratory Gloves
  • Safety Glasses/Goggles
  • Sodium Lamp or 589nm Wavelength Filter (optional)

Storage Conditions

This item can be shipped and stored at room temperature.

  • Model: VXH-LL-GFI

Additional Images

This product was added to our catalog on Friday 25 May, 2012.

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