geological
Showing 61–80 of 100 results
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Geological Specimens
Suevite — Impact Breccia — Large Specimen
Mohs hardness: varies$58.94 -
Geological Specimens
Banded Iron Formation — Specimen Grade
Mohs hardness: 5.5–7$143.95 -
Geological Specimens
Pele’s Tears — Hawaiian — Polished Face
Mohs hardness: 5–5.5$39.27 -
Geological Specimens
Volcanic Bomb — Breadcrust — Polished Face
Mohs hardness: 5–6$28.16 -
Geological Specimens
Pele’s Tears — Hawaiian — Specimen Grade
Mohs hardness: 5–5.5$59.91 -
Geological Specimens
Shatter Cone — Specimen Grade
Mohs hardness: varies$167.12 -
Geological Specimens
Septarian Nodule — Polished Half — Polished Face
Mohs hardness: varies$133.83 -
Geological Specimens
Amethyst Cathedral Geode — Half — Specimen Grade
Mohs hardness: 7$1,860.36 -
Geological Specimens
Suevite — Impact Breccia
Mohs hardness: varies$173.01 -
Geological Specimens
Eclogite — Polished Face
Mohs hardness: 6.5–7.5$206.59 -
Geological Specimens
Serpentinite — Polished Face
Mohs hardness: 3–4$37.31 -
Geological Specimens
Eclogite — Large Specimen
Mohs hardness: 6.5–7.5$105.97 -
Geological Specimens
Pumice from Santorini — Display Grade
Mohs hardness: 5.5–6$54.44 -
Geological Specimens
Garnet Schist — Polished Face
Mohs hardness: 5.5–7.5$84.07 -
Geological Specimens
Conglomerate — Tillite — Display Grade
Mohs hardness: varies$33.18 -
Geological Specimens
Garnet Schist — Specimen Grade
Mohs hardness: 5.5–7.5$74.71 -
Geological Specimens
Fulgurite — Desert Glass Tube — Specimen Grade
Mohs hardness: 5.5–6$63.31 -
Geological Specimens
Radiolarite
Mohs hardness: 6.5–7$43.33 -
Geological Specimens
Volcanic Bomb — Breadcrust — Display Grade
Mohs hardness: 5–6$144.35 -
Geological Specimens
Amethyst Cathedral Geode — Half — Large Specimen
Mohs hardness: 7$1,200.28