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Showing 41–60 of 1000 results
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Gemstones
White Opal — Harlequin — Gem Rough
Mohs hardness: 5.5–6.5$1,046.01 -
Geological Specimens
Desert Varnish Sandstone — Large Specimen
Mohs hardness: 7$49.19 -
Curated Collections
Crystal Healing Skeptic’s Kit — 6 Specimens — Educational Edition
Mohs hardness: —$91.88 -
Minerals
Crocoite Crystal Cluster
Mohs hardness: 2.5–3$1,498.49 -
Minerals
Vanadinite on Barite — Display Piece
Mohs hardness: 2.5–3$210.35 -
Fossils
Trilobite — Walliserops trifurcatus (Trident) — Field-Collected
Mohs hardness: —$1,602.49 -
Minerals
Prehnite Stalactite
Mohs hardness: 6–6.5$143.81 -
Geological Specimens
Chalk with Flint Nodule — Specimen Grade
Mohs hardness: 1–7$45.57 -
Minerals
Euclase Crystal — Miniature
Mohs hardness: 7.5$820.61 -
Gemstones
Ruby Crystal in Matrix — Natural Crystal
Mohs hardness: 9$8,296.48 -
Curated Collections
Crystal Healing Skeptic’s Kit — 6 Specimens
Mohs hardness: —$123.58 -
Fossils
Ammonite — Hildoceras bifrons
Mohs hardness: —$233.05 -
Gemstones
White Opal — Harlequin — Large Example
Mohs hardness: 5.5–6.5$359.08 -
Minerals
Fluorapatite Crystal
Mohs hardness: 5$104.02 -
Fossils
Sea Urchin — Micraster — Small Specimen
Mohs hardness: —$48.30 -
Gemstones
Ruby Crystal in Matrix — Large Example
Mohs hardness: 9$13,780.19 -
Minerals
Iceland Spar — Optical Calcite
Mohs hardness: 3$66.26 -
Gemstones
Tsavorite Garnet Crystal — Large Example
Mohs hardness: 7–7.5$1,248.51 -
Gemstones
Cat’s Eye Chrysoberyl — Exceptional Quality
Mohs hardness: 8.5$4,740.94 -
Gemstones
Black Opal — Gem Rough
Mohs hardness: 5.5–6.5$7,321.32