Geology

Strong 1" Disk Magnets – Mineral & Magnetism Testing If your rock or mineral is magnetic, you’ll know...

A matching pair of split and polished ammonites set in Sterling silver.

A lovely split and polished ammonite set in Sterling silver with an eighteen-inch chain.

Mini Mineral Sample Bag – 6 Specimens Each Mini Mineral Sample Bag includes a curated selection of six...

Mini Fossil Sample Bag – 6 Specimens Each Mini Fossil Sample Bag includes a curated set of six...

Mini Rock Sample Bag – 6 Specimens Each Mini Rock Sample Bag includes a set of six real...

Fossil Bag – Real Fossil Discovery Experience You never know what you’ll uncover in Cornerstone’s Fossil Bag. Each...

Mystery Bag – Rocks, Minerals & Fossil Discovery Pack You never know what you’ll find in Cornerstone’s Mystery...

Azurite Crystal Specimen – Large Blue Copper Mineral Azurite is a striking copper mineral prized for its rich,...

Mineral Bag – Surprise Geology Discovery Pack You never know what you'll find in Cornerstone's Fossil Bag! Nestled...

Polished Ammonite Fossils – Desmoceras (1–2") These genuine fossil ammonites beautifully display the detail and symmetry found in...

Trilobite Fossil – Elrathia kingii (Wheeler Shale) Elrathia kingii is a classic and well-known trilobite, representing life from...