Identification Hematite Identification Sheet The most important iron ore, identified by its diagnostic reddish-brown streak regardless of the specimen's outward color.
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.
Annual Meeting Rockbound 2025 Annual Meeting The 2025 gathering in Denver brought field labs in the Front Range, certification clinics, and a record exhibit hall to the foot of the R…
Identification Onyx Identification Sheet A banded chalcedony with a parallel-layered structure, a hardness that outlasts most imposters, and — in this particular library — a name…
Member Benefits Online Mineral Identification Database Access Full access to the ARE specimen identification database, including field-tested ID sheets, locality notes, and the member-submitted speci…
Member Benefits Discounted Gem and Mineral Show Admission ARE members receive reduced or complimentary admission at participating regional gem and mineral shows throughout the year.
Merchandise Pyrite Specimen Display Set ("Fool's Gold Starter Kit") Three curated pyrite specimens selected to show cubic, pyritohedral, and massive growth habits — plus a card with the streak test result …
Merchandise ARE 10x Hand Loupe A quality triplet-corrected loupe for field and gem show use — the single most useful tool a Rockie can carry.