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Showing 161–180 of 1000 results
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Geological Specimens
Septarian Nodule — Polished Half
Mohs hardness: varies$155.45 -
Fossils
Megalodon Tooth Replica — Detailed
Mohs hardness: —$66.37 -
Curated Collections
Gift Set — ‘The Extraordinary Earth’ ($50) — Educational Edition
Mohs hardness: —$51.28 -
Gemstones
Sphene Crystal — Titanite — Exceptional Quality
Mohs hardness: 5–5.5$2,175.82 -
Gemstones
White Opal — Harlequin — Cabinet Specimen
Mohs hardness: 5.5–6.5$2,417.73 -
Geological Specimens
Obsidian — Mahogany Flow — Polished Face
Mohs hardness: 5–5.5$53.46 -
Minerals
Chalcopyrite Crystal on Sphalerite
Mohs hardness: 3.5–4$154.19 -
Geological Specimens
Banded Iron Formation — Polished Face
Mohs hardness: 5.5–7$183.22 -
Gemstones
Fire Opal Crystal — Exceptional Quality
Mohs hardness: 5.5–6.5$720.20 -
Gemstones
Diamond Crystal — Rough Octahedron — Gem Rough
Mohs hardness: 10$2,842.87 -
Minerals
Amethyst Cluster — Display Piece
Mohs hardness: 7$156.20 -
Minerals
Iceland Spar — Optical Calcite — Miniature
Mohs hardness: 3$33.73 -
Curated Collections
Gift Set — ‘Wonders of Deep Time’ ($150) — Deluxe Presentation
Mohs hardness: —$150.78 -
Geological Specimens
Fulgurite — Desert Glass Tube
Mohs hardness: 5.5–6$84.86 -
Geological Specimens
Shatter Cone — Display Grade
Mohs hardness: varies$67.34 -
Gemstones
Kornerupine Crystal — Natural Crystal
Mohs hardness: 6.5$1,902.82 -
Minerals
Wollastonite Spray — Display Piece
Mohs hardness: 4.5–5$45.08 -
Fossils
Petrified Wood — Araucarioxylon
Mohs hardness: —$271.23 -
Minerals
Realgar Crystal on Orpiment — Cabinet Specimen
Mohs hardness: 1.5–2$185.82 -
Minerals
Selenite Gypsum Wand — Miniature
Mohs hardness: 2$34.79