geological
Showing 1–20 of 100 results
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Geological Specimens
Oolitic Limestone — Polished Face
Mohs hardness: 3$47.02 -
Geological Specimens
Suevite — Impact Breccia — Large Specimen
Mohs hardness: varies$58.94 -
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
Chalk with Flint Nodule — Specimen Grade
Mohs hardness: 1–7$45.57 -
Geological Specimens
Desert Varnish Sandstone
Mohs hardness: 7$52.07 -
Geological Specimens
Obsidian — Mahogany Flow — Polished Face
Mohs hardness: 5–5.5$53.46 -
Geological Specimens
Shatter Cone — Display Grade
Mohs hardness: varies$67.34 -
Geological Specimens
Garnet Schist — Specimen Grade
Mohs hardness: 5.5–7.5$74.71 -
Geological Specimens
Desert Varnish Sandstone — Polished Face
Mohs hardness: 7$23.42 -
Geological Specimens
Celestite Geode — Whole — Polished Face
Mohs hardness: 3–3.5$583.29 -
Geological Specimens
Oolitic Limestone — Large Specimen
Mohs hardness: 3$19.86 -
Geological Specimens
Shatter Cone — Polished Face
Mohs hardness: varies$87.80 -
Geological Specimens
Serpentinite — Display Grade
Mohs hardness: 3–4$73.35 -
Geological Specimens
Radiolarite
Mohs hardness: 6.5–7$43.33 -
Geological Specimens
Pumice from Santorini — Specimen Grade
Mohs hardness: 5.5–6$48.41 -
Geological Specimens
Banded Iron Formation — Large Specimen
Mohs hardness: 5.5–7$129.60 -
Geological Specimens
Suevite — Impact Breccia — Polished Face
Mohs hardness: varies$68.80 -
Geological Specimens
Septarian Nodule — Polished Half
Mohs hardness: varies$155.45 -
Geological Specimens
Chalk with Flint Nodule — Polished Face
Mohs hardness: 1–7$22.18