Class A Borosilicate Glass Graduated Cylinder with Polypropylene Stopper, Blue Graduations Capacity:2000mL Three-inch raw olivine hand sample

Three-inch raw olivine hand sample displays the olive-green granular habit of this Mg-Fe silicate common in mantle rocks and basaltic volcanics

Deluxe-grip stripper-cutter combo with extended jaws

Wider-apex 40° x 40° x 100° glass prism

Includes calibration certificate

Economy-format graphite crystal model showing the layered hexagonal structure and the weak interlayer bonds responsible for graphite's slippery

Class A Borosilicate Glass Graduated Cylinder with Polypropylene Stopper, Blue Graduations Capacity:2000mL Three-inch raw olivine hand sampleGround glass socket paired with a chemical resistant polypropylene stopper allows tight sealing during dilution and solution preparation where evaporation matters.