geological
Showing 1–20 of 100 results
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Geological Specimens
Pele’s Tears — Hawaiian — Display Grade
Mohs hardness: 5–5.5$49.56 -
Geological Specimens
Eclogite — Large Specimen
Mohs hardness: 6.5–7.5$105.97 -
Geological Specimens
Conglomerate — Tillite — Display Grade
Mohs hardness: varies$33.18 -
Geological Specimens
Desert Varnish Sandstone — Display Grade
Mohs hardness: 7$41.30 -
Geological Specimens
Shatter Cone — Specimen Grade
Mohs hardness: varies$167.12 -
Geological Specimens
Obsidian — Mahogany Flow — Display Grade
Mohs hardness: 5–5.5$28.68 -
Geological Specimens
Shatter Cone — Polished Face
Mohs hardness: varies$87.80 -
Geological Specimens
Serpentinite — Display Grade
Mohs hardness: 3–4$73.35 -
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
Obsidian — Mahogany Flow — Large Specimen
Mohs hardness: 5–5.5$123.65 -
Geological Specimens
Obsidian — Mahogany Flow — Field Specimen
Mohs hardness: 5–5.5$69.67 -
Geological Specimens
Suevite — Impact Breccia — Specimen Grade
Mohs hardness: varies$234.38 -
Geological Specimens
Pumice from Santorini
Mohs hardness: 5.5–6$32.72 -
Geological Specimens
Shatter Cone — Display Grade
Mohs hardness: varies$67.34 -
Geological Specimens
Serpentinite — Polished Face
Mohs hardness: 3–4$37.31 -
Geological Specimens
Amethyst Cathedral Geode — Half — Field Specimen
Mohs hardness: 7$1,641.00 -
Geological Specimens
Serpentinite — Large Specimen
Mohs hardness: 3–4$47.93 -
Geological Specimens
Celestite Geode — Whole — Field Specimen
Mohs hardness: 3–3.5$501.51 -
Geological Specimens
Chalk with Flint Nodule
Mohs hardness: 1–7$32.05