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Showing 781–800 of 1000 results
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Gemstones
Ruby Crystal in Matrix — Gem Rough
Mohs hardness: 9$14,562.31 -
Gemstones
Spinel Crystal — Red — Gem Rough
Mohs hardness: 8$564.61 -
Gemstones
Tsavorite Garnet Crystal — Gem Rough
Mohs hardness: 7–7.5$4,061.16 -
Geological Specimens
Conglomerate — Tillite
Mohs hardness: varies$60.15 -
Gemstones
Tsavorite Garnet Crystal — Cabinet Specimen
Mohs hardness: 7–7.5$3,307.41 -
Curated Collections
Space Rocks Starter Kit — 5 Specimens — Educational Edition
Mohs hardness: —$274.94 -
Fossils
Megalodon Tooth Replica — Detailed
Mohs hardness: —$66.37 -
Fossils
Trilobite — Enrolled Phacops — Small Specimen
Mohs hardness: —$159.24 -
Curated Collections
Educational Kit — ‘First Rocks’ (Ages 8+) — Budget Edition
Mohs hardness: —$51.38 -
Gemstones
Kornerupine Crystal — Natural Crystal
Mohs hardness: 6.5$1,902.82 -
Minerals
Green Fluorite Cubic Cluster — Miniature
Mohs hardness: 4$28.19 -
Curated Collections
Collector’s Gemstone Rough Box — 10 Specimens — Compact Set
Mohs hardness: —$250.14 -
Minerals
Crocoite Crystal Cluster — Miniature
Mohs hardness: 2.5–3$2,300.56 -
Fossils
Plesiosaurian Vertebra — Small Specimen
Mohs hardness: —$274.76 -
Geological Specimens
Serpentinite
Mohs hardness: 3–4$73.44 -
Minerals
Apophyllite Crystal Cluster on Stilbite — Specimen Grade
Mohs hardness: 4.5–5$169.22 -
Gemstones
Fire Opal Crystal — Gem Rough
Mohs hardness: 5.5–6.5$225.76 -
Gemstones
Demantoid Garnet — Horsetail Inclusion — Large Example
Mohs hardness: 6.5–7$6,044.04 -
Curated Collections
Gift Set — ‘The Extraordinary Earth’ ($50) — Budget Edition
Mohs hardness: —$50.00 -
Minerals
Wulfenite Crystal Plate — Specimen Grade
Mohs hardness: 3$1,509.04