Explore our unique, affordable and old-stock mineral specimens!
Browse our collections of agates, minerals, fossils, specimen kits and books !
Popular Mineral Collections-These collections not only display the beauty of minerals but also provide insights into geological processes and the Earth’s history. Do you have a favorite type of mineral you’re interested in?
Special Collection - Agates and Thundereggs!
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Agate - Brazilian Agate Set with water levels and agate-crystal bands
Regular price $50.00 USDRegular priceUnit price / per -
Agate Slab - Blue Brazilian Agate Slab with blue banding and solid agate center.
Regular price $25.00 USDRegular priceUnit price / per -
Agate Slab - Blue Brazilian Agate Slab with large clear crystal band and agate center
Regular price $35.00 USDRegular priceUnit price / per -
Agate Slab - Brazilian Agate Slab natural tan agate with crystal interior, iris effect
Regular price $35.00 USDRegular priceUnit price / per -
Agate Slab - Brazilian Agate Slab tan bands and white fortifications with crystal druzy
Regular price $25.00 USDRegular priceUnit price / per -
Agate Slab - Brazilian Agate Slab transparent with subtle bands and iris effect
Regular price $40.00 USDRegular priceUnit price / per
Just Added! Colorful minerals from India! Bowties, mesolites, puffball oolites and more.
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Crystal - Prehnite Pale green crystals with spots of oolite
Regular price $10.00 USDRegular priceUnit price / per -
Crystal - Apophyllite cluster in pale green from Maharashtra India
Regular price $48.00 USDRegular priceUnit price / per -
Crystal - Mesolite cluster - fine, zeolite crystals in a spray
Regular price $120.00 USDRegular priceUnit price / per -
Crystal - Cavansite crystals with stilbite from Maharashtra India
Regular price $50.00 USDRegular priceUnit price / per -
Crystal -Heulandite, Apophylite & Gyrolite from Maharashtra India
Regular price $75.00 USDRegular priceUnit price / per -
Crystal - Apophyllite cluster with stilbites from Maharashtra, India
Regular price $60.00 USDRegular priceUnit price / per
For the Rock collector in your life!
Minerals from classic localities, like Illinois fluorites, Lake Superior and Montana agates, and from old and new collections.
Fine mineral specimens like fluorites, geodes, thundereggs, fossils, calcites, obsidian, apophyllite, mesolites, stilbites, halites, amazonite, wavelite, fortification agates, quartz, pyrites, amethyst, corals, gemstones and petrified wood.
Available sizes vary from micros and thumbnails, to minatures, small cabinets and cabinets.
Mineral specimen kits also available for science teachers! These include sedimentary, metamorphic and igneous sets, with each specimen identified and indexed. Also available is the Energy Resource kit focused on petroleum.
Your rock shop on the web!
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Agate: Rare 'Orange Star' Thunderegg half from Hermanas, New Mexico
Regular price $75.00 USDRegular priceUnit price / per -
Agate: Puma Agate with quartz from Mendoza, Patagonia Argentina
Regular price $15.00 USDRegular priceUnit price / per -
Agate: Thunderegg half-round from Agate Creek, Queensland, Australia
Regular price $20.00 USDRegular priceUnit price / per -
Mineral - Malachite Fibrous crystals from Democratic Republic of the Congo, Africa
Regular price $18.00 USDRegular priceUnit price / per -
Pyrite Sun Dollar from Sparta, Illinois
Regular price $35.00 USDRegular priceUnit price / per -
Agate: Dryhead Agate slab from Big Horn River Montana
Regular price $35.00 USDRegular priceUnit price / per -
Crystal - Prehnite Pale green crystals with spots of oolite
Regular price $10.00 USDRegular priceUnit price / per -
Agate: Dryhead Agate pair from Big Horn River, Montana
Regular price $85.00 USDRegular priceUnit price / per