geological
Showing 41–60 of 100 results
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Geological Specimens
Shatter Cone
Mohs hardness: varies$118.83 -
Geological Specimens
Serpentinite — Display Grade
Mohs hardness: 3–4$73.35 -
Geological Specimens
Volcanic Bomb — Breadcrust
Mohs hardness: 5–6$102.88 -
Geological Specimens
Suevite — Impact Breccia — Large Specimen
Mohs hardness: varies$58.94 -
Geological Specimens
Fulgurite — Desert Glass Tube — Large Specimen
Mohs hardness: 5.5–6$82.38 -
Geological Specimens
Pele’s Tears — Hawaiian — Large Specimen
Mohs hardness: 5–5.5$30.55 -
Geological Specimens
Septarian Nodule — Polished Half
Mohs hardness: varies$155.45 -
Geological Specimens
Celestite Geode — Whole — Polished Face
Mohs hardness: 3–3.5$583.29 -
Geological Specimens
Fulgurite — Desert Glass Tube — Specimen Grade
Mohs hardness: 5.5–6$63.31 -
Geological Specimens
Eclogite — Large Specimen
Mohs hardness: 6.5–7.5$105.97 -
Geological Specimens
Pumice from Santorini — Large Specimen
Mohs hardness: 5.5–6$39.11 -
Geological Specimens
Chalk with Flint Nodule — Display Grade
Mohs hardness: 1–7$50.86 -
Geological Specimens
Volcanic Bomb — Breadcrust — Display Grade
Mohs hardness: 5–6$144.35 -
Geological Specimens
Shatter Cone — Polished Face
Mohs hardness: varies$87.80 -
Geological Specimens
Shatter Cone — Specimen Grade
Mohs hardness: varies$167.12 -
Geological Specimens
Amethyst Cathedral Geode — Half
Mohs hardness: 7$331.89 -
Geological Specimens
Obsidian — Mahogany Flow
Mohs hardness: 5–5.5$66.19 -
Geological Specimens
Oolitic Limestone — Polished Face
Mohs hardness: 3$47.02 -
Geological Specimens
Shatter Cone — Large Specimen
Mohs hardness: varies$48.83 -
Geological Specimens
Conglomerate — Tillite — Large Specimen
Mohs hardness: varies$48.51