Dr. Walter C. McCrone (1916-2002)

Microscopy students at McCrone Research Institute in Chicago.

The reddish-orange particles are etched garnet from the Morrison Formation in Santa Fe, New Mexico. (Photomicrograph courtesy of Russ Crutcher/Microlab Northwest)

Central-stop dispersion staining of a mixture of glass particles mounted in nD=1.520 Cargille high-dispersion liquid. (McCrone Research Institute)

A microcrystal test for pseudoephedrine with dilituric acid reagent

Sample boards with fabric swatches in position for sunlight exposure in Arizona.

Microscopy Training

McCrone online and in-person microscopy training courses including small particle and contaminant identification, crystal characterization, sample preparation, microanalysis, PLM, and more.


McCrone Publications

Microscope Publications (division of McCrone Research Institute, Inc.) publishes The Microscope journal, The Microscope Series monographs, and many other titles.


McCrone Research

McCrone’s applied research in microscopy and microanalysis addresses problems in the forensic, industrial, air quality, asbestos, environmental, and art conservation sciences.