geological specimen
Showing 621–640 of 1000 results
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Fossils
Ammonite — Opalized — Display Grade
Mohs hardness: —$3,750.79 -
Gemstones
Star Sapphire — 6-Ray — Natural Crystal
Mohs hardness: 9$850.56 -
Fossils
Megalodon Tooth Replica — Detailed — Field-Collected
Mohs hardness: —$50.26 -
Gemstones
White Opal — Harlequin — Large Example
Mohs hardness: 5.5–6.5$359.08 -
Meteorites
Libyan Desert Glass — Etched Section
Mohs hardness: 5.5–6$261.46 -
Gemstones
Diamond Crystal — Rough Octahedron
Mohs hardness: 10$496.13 -
Fossils
Trilobite — Enrolled Phacops
Mohs hardness: —$163.37 -
Gemstones
Ruby Crystal in Matrix — Natural Crystal
Mohs hardness: 9$8,296.48 -
Curated Collections
Gift Set — ‘The Extraordinary Earth’ ($50) — Budget Edition
Mohs hardness: —$50.00 -
Minerals
Rhodochrosite Stalactite Slice — Miniature
Mohs hardness: 3.5–4$341.88 -
Gemstones
Fire Opal Crystal — Cabinet Specimen
Mohs hardness: 5.5–6.5$1,313.05 -
Minerals
Citrine Crystal Point — Cabinet Specimen
Mohs hardness: 7$26.84 -
Fossils
Spider in Amber — Burma — Field-Collected
Mohs hardness: —$879.07 -
Gemstones
Cat’s Eye Chrysoberyl — Gem Rough
Mohs hardness: 8.5$1,667.12 -
Gemstones
Star Sapphire — 6-Ray — Collector Grade
Mohs hardness: 9$4,604.06 -
Gemstones
Grandidierite Crystal — Large Example
Mohs hardness: 7–7.5$752.42 -
Meteorites
Imilac Pallasite — Small Individual
Mohs hardness: varies$1,458.69 -
Fossils
Fish Fossil — Knightia eocaena (Twin Plate) — Field-Collected
Mohs hardness: —$24.49 -
Minerals
Black Tourmaline Schorl Crystal — Specimen Grade
Mohs hardness: 7–7.5$35.59 -
Curated Collections
Educational Kit — ‘First Rocks’ (Ages 8+) — Deluxe Presentation
Mohs hardness: —$48.17