Merchandise Azurite and Malachite Bookend Pair A polished pair showing azurite weathering into malachite — blue on one face, green on the other, geology on your shelf.
Publications ARE Quarterly: Winter 2026 — Corundum at the Top of the Scale A feature issue on ruby and sapphire: why corundum anchors Mohs 9, where members find it, and how to document gem-grade finds.
Certification Lapidary Shop Steward An advanced credential for members who run chapter lapidary shops safely — machines, dust, and new-member training included.
Identification Beryl (Aquamarine and Emerald) Identification Sheet The beryllium silicate behind emerald, aquamarine, and morganite: long hexagonal prisms, harder than quartz, in pegmatites.
Identification Azurite Identification Sheet The deep azure-blue copper carbonate, malachite's constant companion, confirmed by its light blue streak and acid reaction.
Identification Corundum (Ruby and Sapphire) Identification Sheet The Mohs 9 anchor at the top of every field kit: ruby and sapphire are the same mineral, identified by extreme hardness and barrel-shaped…
Identification Topaz Identification Sheet The Mohs 8 reference mineral: hard enough to scratch quartz, with perfect basal cleavage and striated prismatic crystals.
Identification Malachite Identification Sheet A bright green copper carbonate recognized by its color, concentric banding, botryoidal habit, and effervescence in acid.
Identification Rhodochrosite Identification Sheet Colorado's rose-pink state mineral: a manganese carbonate identified by color, low hardness, rhombohedral cleavage, and a warm-acid react…
Annual Meeting Rockbound 2023 Annual Meeting The 2023 meeting in Tucson leaned into Basin and Range geology, lapidary demonstrations, and the desert show season.
