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Showing 261–280 of 1000 results
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Gemstones
Spinel Crystal — Cobalt Blue — Natural Crystal
Mohs hardness: 8$9,672.19 -
Meteorites
Chondrite Meteorite — L4 Type — Oriented Individual
Mohs hardness: 5.5–6.5$182.60 -
Gemstones
Sapphire Crystal — Cornflower Blue — Gem Rough
Mohs hardness: 9$4,602.69 -
Curated Collections
Educational Kit — ‘First Rocks’ (Ages 8+) — Premium Edition
Mohs hardness: —$46.64 -
Fossils
Trace Fossil — Dinosaur Footprint Cast — Prepared Specimen
Mohs hardness: —$294.72 -
Fossils
Fish Fossil — Green River Formation — Prepared Specimen
Mohs hardness: —$586.09 -
Minerals
Azurite-Malachite Crystal Cluster — Cabinet Specimen
Mohs hardness: 3.5–4$643.45 -
Minerals
Desert Rose Barite — Cabinet Specimen
Mohs hardness: 3–3.5$38.27 -
Meteorites
Campo del Cielo Iron Meteorite — Fragment
Mohs hardness: 4–5$132.44 -
Meteorites
Seymchan Pallasite — Small Individual
Mohs hardness: varies$574.67 -
Gemstones
Coral Specimen — Red — Exceptional Quality
Mohs hardness: 3.5$328.61 -
Fossils
Plant Fossil — Sigillaria — Museum Replica
Mohs hardness: —$64.40 -
Minerals
Moonstone with Adularescence — Cabinet Specimen
Mohs hardness: 6–6.5$440.41 -
Fossils
Trilobite — Walliserops trifurcatus (Trident) — Display Grade
Mohs hardness: —$1,877.84 -
Gemstones
Sapphire Crystal — Cornflower Blue — Collector Grade
Mohs hardness: 9$846.43 -
Gemstones
Grandidierite Crystal — Gem Rough
Mohs hardness: 7–7.5$5,987.22 -
Minerals
Native Silver Wires — Cabinet Specimen
Mohs hardness: 2.5–3$698.97 -
Minerals
Tanzanite Crystal — Unheated — Miniature
Mohs hardness: 6.5$1,176.07 -
Gemstones
Color-Change Garnet — Collector Grade
Mohs hardness: 7.25$3,158.15 -
Meteorites
Seymchan Pallasite — Large Slice
Mohs hardness: varies$1,217.35