geological specimen
Showing 421–440 of 1000 results
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Minerals
Topaz — Imperial Orange — Specimen Grade
Mohs hardness: 8$3,053.99 -
Minerals
Tanzanite Crystal — Unheated — Miniature
Mohs hardness: 6.5$1,176.07 -
Meteorites
Sikhote-Alin Individual — Shrapnel — Fragment
Mohs hardness: 4–5$117.39 -
Minerals
Moonstone with Adularescence — Specimen Grade
Mohs hardness: 6–6.5$443.47 -
Gemstones
Coral Specimen — Red — Cabinet Specimen
Mohs hardness: 3.5$268.07 -
Geological Specimens
Garnet Schist — Specimen Grade
Mohs hardness: 5.5–7.5$74.71 -
Geological Specimens
Oolitic Limestone
Mohs hardness: 3$45.88 -
Gemstones
Spinel Crystal — Cobalt Blue — Gem Rough
Mohs hardness: 8$6,939.63 -
Gemstones
Grandidierite Crystal — Gem Rough
Mohs hardness: 7–7.5$5,987.22 -
Gemstones
Black Opal — Exceptional Quality
Mohs hardness: 5.5–6.5$1,711.24 -
Minerals
Staurolite Twin — Fairy Stone — Specimen Grade
Mohs hardness: 7–7.5$56.57 -
Minerals
Dioptase Crystal Cluster
Mohs hardness: 5$525.45 -
Minerals
Iceland Spar — Optical Calcite — Cabinet Specimen
Mohs hardness: 3$43.68 -
Meteorites
Darwin Glass — Tasmania
Mohs hardness: 5.5$94.29 -
Fossils
Mosasaur Tooth on Matrix — Exceptional Preservation
Mohs hardness: —$190.11 -
Gemstones
Sapphire Crystal — Cornflower Blue — Collector Grade
Mohs hardness: 9$846.43 -
Minerals
Kyanite Crystal — Specimen Grade
Mohs hardness: 4.5–7 (directional)$139.08 -
Minerals
Chalcopyrite Crystal on Sphalerite — Cabinet Specimen
Mohs hardness: 3.5–4$85.16 -
Fossils
Shark Teeth — Odontaspis Cluster — Field-Collected
Mohs hardness: —$40.96 -
Gemstones
Black Opal — Gem Rough
Mohs hardness: 5.5–6.5$7,249.32