We have a number of different instruments for measuring a plethora of magnetic properties of rocks. Here you will find a page for each instrument, along with the types of samples it can measure (with your help).
Magnetic Properties Measurement System -- a cryogenic susceptometer by Quantum Designs.
Alternating Gradient Force Magnetometer -- by Princeton Measurements.
Variable-temperature (10 - 1025K) Vibrating Sample Magnetometer -- by Princeton Measurements.
Vibrating Sample Magnetometer -- by Princeton Applied Research.
KappaBridge Magnetic Susceptibility Bridge -- by Geofyzika. Model KLY2 with CS-2 Furnace.
Low-temperature AC Susceptometer -- by LakeShore Cryotronics.
AC Anisotropy of Magnetic Susceptibility Bridge -- by Jim Marvin.
Mossbauer Spectrometer -- by Web Research and Ranger Scientific.
Superconducting Rock Magnetometer -- by 2G
The Magnetizers/Demagnetizers -- Schonstedt Alternating Field and Thermal Demagnetizers. ASC Pulse Magnetizer.
Magnetic Force Microscope -- by Digital