Geological Specimens
Showing 61–80 of 100 results
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Geological Specimens
Oolitic Limestone — Large Specimen
Mohs hardness: 3$19.86 -
Geological Specimens
Garnet Schist — Large Specimen
Mohs hardness: 5.5–7.5$97.13 -
Geological Specimens
Obsidian — Mahogany Flow — Display Grade
Mohs hardness: 5–5.5$28.68 -
Geological Specimens
Amethyst Cathedral Geode — Half — Large Specimen
Mohs hardness: 7$1,200.28 -
Geological Specimens
Fulgurite — Desert Glass Tube
Mohs hardness: 5.5–6$84.86 -
Geological Specimens
Celestite Geode — Whole — Display Grade
Mohs hardness: 3–3.5$381.58 -
Geological Specimens
Banded Iron Formation — Specimen Grade
Mohs hardness: 5.5–7$143.95 -
Geological Specimens
Amethyst Cathedral Geode — Half — Polished Face
Mohs hardness: 7$2,522.08 -
Geological Specimens
Fulgurite — Desert Glass Tube — Polished Face
Mohs hardness: 5.5–6$71.61 -
Geological Specimens
Oolitic Limestone — Polished Face
Mohs hardness: 3$47.02 -
Geological Specimens
Desert Varnish Sandstone — Display Grade
Mohs hardness: 7$41.30 -
Geological Specimens
Amethyst Cathedral Geode — Half — Specimen Grade
Mohs hardness: 7$1,860.36 -
Geological Specimens
Desert Varnish Sandstone
Mohs hardness: 7$52.07 -
Geological Specimens
Garnet Schist — Specimen Grade
Mohs hardness: 5.5–7.5$74.71 -
Geological Specimens
Chalk with Flint Nodule — Large Specimen
Mohs hardness: 1–7$50.31 -
Geological Specimens
Conglomerate — Tillite — Specimen Grade
Mohs hardness: varies$46.30 -
Geological Specimens
Pumice from Santorini — Specimen Grade
Mohs hardness: 5.5–6$48.41 -
Geological Specimens
Radiolarite
Mohs hardness: 6.5–7$43.33 -
Geological Specimens
Banded Iron Formation — Polished Face
Mohs hardness: 5.5–7$183.22 -
Geological Specimens
Celestite Geode — Whole — Large Specimen
Mohs hardness: 3–3.5$336.32