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.
Identification Galena Identification Sheet The primary lead ore: soft, very heavy, bright lead-grey metallic, with perfect cubic cleavage.
Identification Selenite (Gypsum) Identification Sheet A very soft sulfate you can scratch with a fingernail, forming clear bladed crystals, satin spar, and desert roses.
Confectionery Geology Pop Rocks (Pressurized Vesicular Sucrose) Identification Sheet A vesicular carbonated sugar rock exhibiting spontaneous exothermic dissolution and audible degassing upon contact with moisture — first …
Confectionery Geology Rock Candy (Sucrose Crystal) Identification Sheet A monocrystalline or polycrystalline sucrose formation exhibiting exceptional optical clarity and notable solubility in aqueous environme…
Identification Muscovite Mica Identification Sheet The sparkly sheet mineral in every granite — and the one that makes students understand cleavage for the first time.
