Geological Specimens
Showing 21–40 of 100 results
-
Geological Specimens
Fulgurite — Desert Glass Tube — Large Specimen
Mohs hardness: 5.5–6$82.38 -
Geological Specimens
Obsidian — Mahogany Flow — Field Specimen
Mohs hardness: 5–5.5$69.67 -
Geological Specimens
Fulgurite — Desert Glass Tube
Mohs hardness: 5.5–6$84.86 -
Geological Specimens
Amethyst Cathedral Geode — Half — Field Specimen
Mohs hardness: 7$1,641.00 -
Geological Specimens
Serpentinite — Polished Face
Mohs hardness: 3–4$37.31 -
Geological Specimens
Septarian Nodule — Polished Half — Large Specimen
Mohs hardness: varies$57.77 -
Geological Specimens
Banded Iron Formation
Mohs hardness: 5.5–7$130.13 -
Geological Specimens
Conglomerate — Tillite — Display Grade
Mohs hardness: varies$33.18 -
Geological Specimens
Amethyst Cathedral Geode — Half — Large Specimen
Mohs hardness: 7$1,200.28 -
Geological Specimens
Celestite Geode — Whole — Display Grade
Mohs hardness: 3–3.5$381.58 -
Geological Specimens
Volcanic Bomb — Breadcrust
Mohs hardness: 5–6$102.88 -
Geological Specimens
Banded Iron Formation — Specimen Grade
Mohs hardness: 5.5–7$143.95 -
Geological Specimens
Desert Varnish Sandstone — Display Grade
Mohs hardness: 7$41.30 -
Geological Specimens
Shatter Cone — Large Specimen
Mohs hardness: varies$48.83 -
Geological Specimens
Radiolarite — Large Specimen
Mohs hardness: 6.5–7$21.93 -
Geological Specimens
Garnet Schist
Mohs hardness: 5.5–7.5$108.33 -
Geological Specimens
Amethyst Cathedral Geode — Half
Mohs hardness: 7$331.89 -
Geological Specimens
Chalk with Flint Nodule — Display Grade
Mohs hardness: 1–7$50.86 -
Geological Specimens
Fulgurite — Desert Glass Tube — Specimen Grade
Mohs hardness: 5.5–6$63.31 -
Geological Specimens
Volcanic Bomb — Breadcrust — Display Grade
Mohs hardness: 5–6$144.35