geological specimen
Showing 661–680 of 1000 results
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Minerals
Realgar Crystal on Orpiment — Miniature
Mohs hardness: 1.5–2$310.90 -
Minerals
Kyanite Crystal — Miniature
Mohs hardness: 4.5–7 (directional)$101.14 -
Fossils
Trilobite — Enrolled Phacops — Display Grade
Mohs hardness: —$89.50 -
Gemstones
Kornerupine Crystal — Large Example
Mohs hardness: 6.5$833.48 -
Fossils
Petrified Wood — Araucarioxylon — Exceptional Preservation
Mohs hardness: —$193.51 -
Curated Collections
Collector’s Gemstone Rough Box — 10 Specimens — Deluxe Presentation
Mohs hardness: —$137.82 -
Minerals
Hematite Rose — Cabinet Specimen
Mohs hardness: 5–6$174.21 -
Gemstones
Spinel Crystal — Cobalt Blue — Collector Grade
Mohs hardness: 8$4,349.75 -
Geological Specimens
Fulgurite — Desert Glass Tube — Display Grade
Mohs hardness: 5.5–6$81.44 -
Gemstones
Jeremejevite Crystal — Gem Rough
Mohs hardness: 6.5–7.5$6,435.61 -
Minerals
Native Gold in Quartz Vein — Specimen Grade
Mohs hardness: 2.5–3$476.56 -
Curated Collections
Geological Timeline Collection — 12 Specimens — Collector’s Edition
Mohs hardness: —$305.81 -
Geological Specimens
Conglomerate — Tillite — Display Grade
Mohs hardness: varies$33.18 -
Minerals
Ilvaite Crystal — Cabinet Specimen
Mohs hardness: 5.5–6$112.40 -
Gemstones
Tsavorite Garnet Crystal — Natural Crystal
Mohs hardness: 7–7.5$6,396.91 -
Minerals
Native Gold in Quartz Vein — Cabinet Specimen
Mohs hardness: 2.5–3$2,180.07 -
Geological Specimens
Fulgurite — Desert Glass Tube
Mohs hardness: 5.5–6$84.86 -
Minerals
Agate Slice — Fortification Pattern — Specimen Grade
Mohs hardness: 6.5–7$66.07 -
Fossils
Mosasaur Tooth on Matrix — Display Grade
Mohs hardness: —$376.88 -
Fossils
Mammoth Molar — Display Grade
Mohs hardness: —$1,720.96