geological
Showing 21–40 of 100 results
-
Geological Specimens
Pumice from Santorini
Mohs hardness: 5.5–6$32.72 -
Geological Specimens
Suevite — Impact Breccia — Polished Face
Mohs hardness: varies$68.80 -
Geological Specimens
Amethyst Cathedral Geode — Half — Specimen Grade
Mohs hardness: 7$1,860.36 -
Geological Specimens
Oolitic Limestone — Large Specimen
Mohs hardness: 3$19.86 -
Geological Specimens
Celestite Geode — Whole — Field Specimen
Mohs hardness: 3–3.5$501.51 -
Geological Specimens
Pele’s Tears — Hawaiian — Large Specimen
Mohs hardness: 5–5.5$30.55 -
Geological Specimens
Volcanic Bomb — Breadcrust — Display Grade
Mohs hardness: 5–6$144.35 -
Geological Specimens
Banded Iron Formation — Display Grade
Mohs hardness: 5.5–7$143.41 -
Geological Specimens
Septarian Nodule — Polished Half — Large Specimen
Mohs hardness: varies$57.77 -
Geological Specimens
Desert Varnish Sandstone — Specimen Grade
Mohs hardness: 7$43.76 -
Geological Specimens
Volcanic Bomb — Breadcrust — Specimen Grade
Mohs hardness: 5–6$124.73 -
Geological Specimens
Fulgurite — Desert Glass Tube — Specimen Grade
Mohs hardness: 5.5–6$63.31 -
Geological Specimens
Pumice from Santorini — Large Specimen
Mohs hardness: 5.5–6$39.11 -
Geological Specimens
Serpentinite — Specimen Grade
Mohs hardness: 3–4$64.71 -
Geological Specimens
Garnet Schist
Mohs hardness: 5.5–7.5$108.33 -
Geological Specimens
Fulgurite — Desert Glass Tube — Polished Face
Mohs hardness: 5.5–6$71.61 -
Geological Specimens
Amethyst Cathedral Geode — Half — Field Specimen
Mohs hardness: 7$1,641.00 -
Geological Specimens
Desert Varnish Sandstone
Mohs hardness: 7$52.07 -
Geological Specimens
Celestite Geode — Whole
Mohs hardness: 3–3.5$515.53 -
Geological Specimens
Garnet Schist — Large Specimen
Mohs hardness: 5.5–7.5$97.13