Profile: Cargille Laboratories develops & manufactures optical liquids calibrated for refractive indices for laboratories involving microscopy and optics. We offer microscope immersion oil, refractive index, brix liquids, master calibration liquids, refractive index certified water, immersion liquids, laser liquids, specialized optical liquids, optical gels, multi temperature calibration liquid, gem refractometer liquid, density standards, viscosity tubes, wood stirring rods, boiling stones, storage box for microscope slides, boric acid tablets and albumin standards. We also offer products that include highly stable laser liquids, mounting medias, fused silica matching liquids, comminuted optical glass & mineralogical reference standards, viscosity tubes and beakers.