"orange de méthyle"

Our most popular collection.

Specimens illustrate important stages of mineral formation.

Samples of Minerals That Are Found in Rocks

Demonstrates irregular breakage of minerals.

Dive into the colorful world of fluorescent minerals with this all-in-one educational set.

Beautiful, violet-pink cleavage books of this uncommon lithium mica.

Deep purple, cubic crystal cluster.

Beautiful, blue, hexagonal, sapphire crystals. Average size: 3/8". Madagascar.

Sharp, brown, twinned, orthorhombic, ³/₈– ¹/₂".