geological specimen
Showing 861–880 of 1000 results
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Gemstones
Spinel Crystal — Cobalt Blue — Gem Rough
Mohs hardness: 8$6,939.63 -
Fossils
Eurypterid — Sea Scorpion — Field-Collected
Mohs hardness: —$1,743.52 -
Geological Specimens
Conglomerate — Tillite — Polished Face
Mohs hardness: varies$77.53 -
Meteorites
Australite Button — Fragment
Mohs hardness: 5.5$125.67 -
Minerals
Euclase Crystal — Cabinet Specimen
Mohs hardness: 7.5$2,112.92 -
Minerals
Manganite Crystal — Specimen Grade
Mohs hardness: 4$119.40 -
Gemstones
Fire Opal Crystal — Cabinet Specimen
Mohs hardness: 5.5–6.5$1,313.05 -
Curated Collections
Fluorescent Mineral Set — 5 Specimens + UV Lamp — Compact Set
Mohs hardness: —$160.31 -
Minerals
Stibnite Crystal Group
Mohs hardness: 2$177.27 -
Minerals
Calcite Dog-Tooth Cluster
Mohs hardness: 3$143.68 -
Gemstones
Topaz — Precious Pink (Unheated) — Gem Rough
Mohs hardness: 8$2,273.49 -
Gemstones
Cat’s Eye Chrysoberyl — Gem Rough
Mohs hardness: 8.5$4,502.45 -
Gemstones
Spinel Crystal — Red — Large Example
Mohs hardness: 8$7,970.07 -
Minerals
Amethyst Cluster — Specimen Grade
Mohs hardness: 7$157.90 -
Gemstones
Demantoid Garnet — Horsetail Inclusion — Gem Rough
Mohs hardness: 6.5–7$10,485.43 -
Minerals
Red Beryl Crystal
Mohs hardness: 7.5–8$17,910.81 -
Fossils
Ammonite — Hildoceras bifrons — Field-Collected
Mohs hardness: —$47.09 -
Fossils
Megalodon Tooth Replica — Detailed — Museum Replica
Mohs hardness: —$54.04 -
Minerals
Stibnite Crystal Group — Display Piece
Mohs hardness: 2$287.98 -
Gemstones
Rough Emerald Crystal — Gem Grade — Gem Rough
Mohs hardness: 7.5–8$6,279.73