Confectionery Geology Mohs Scale Lollipop Set Ten lollipops of allegedly increasing hardness, from talc-soft taffy to a number ten that has never been independently verified.
Merchandise Streak Plate Three-Pack Three unglazed porcelain streak plates: one for the field bag, one for the bench, one for the inevitable loss.
Confectionery Geology Comparative Crystallography of Confectionery Minerals: A Follow-Up Report The much-requested sequel to "Sugar Minerals": new findings on rock candy nucleation, pop-rocks vesiculation, and the limits of the analogy.
Publications Beyond 8: Extending Your Mohs Kit to Corundum and Diamond A practical brief on testing above topaz: affordable corundum points, when a 9 actually matters, and why nobody carries a diamond reference.
Confectionery Geology Effervescence Symposium: The Science of Pop Rocks A joint session of the confectionery geology program: carbon dioxide vesiculation in candy and lava, with a strictly regulated tasting lab.
Annual Meeting Bonneville Salt Flats Halite Field Trip A summer day trip to the Bonneville Salt Flats to study evaporite crusts, collect hopper-faced halite, and run the only sanctioned taste …
Identification Sphalerite Identification Sheet The principal zinc ore and a notorious deceiver: brilliant adamantine to resinous luster, six-direction cleavage, and a pale streak that …
Identification Talc Identification Sheet The Mohs 1 anchor at the bottom of the scale: so soft a fingernail scratches it, with a greasy, soapy feel no other common mineral shares.
Identification Magnetite Identification Sheet The strongly magnetic iron oxide: black streak, octahedral crystals, and a pull on the pocket magnet no lookalike can match.
Identification Halite (Rock Salt) Identification Sheet Common rock salt: cubic crystals, perfect cubic cleavage, and the only identification sheet where the taste test is the approved test.