Rocks & minerals reported in Ohio
20 rocks, minerals, gemstones, and fossils reported across 25 mapped rockhounding spots in Ohio. Each entry links to a field-ID guide; the state-specific links open the list of spots known to produce that material in Ohio.
Most-reported in Ohio
Ranked by the number of Ohio spots in this dataset that mention each material.
Pyritecommonmineral · Mohs 6-6.5brass-yellow, pale-gold
Celestitecommonmineral · Mohs 3-3.5colorless, white, pale blue
Calcitecommonmineral · Mohs 3white, colorless, yellow
Flintcommonmineral · Mohs 7gray, black, brown
Fluoritecommonmineral · Mohs 4purple, blue, green
Dolomitecommonmineral · Mohs 3.5-4white, gray, pink
Chalcedonycommonmineral · Mohs 6.5-7white, gray, blue
Marcasitecommonmineral · Mohs 6-6.5pale brass-yellow, tin-white, gray
Quartzcommonmineral · Mohs 7colorless, white, gray
Agatecommonmineral · Mohs 6.5-7white, gray, blue
Amethystcommongemstone · Mohs 7purple, violet, lavender
Carneliancommonmineral · Mohs 6.5-7red, red-orange, brownish-red
Where in Ohio to find each
State-specific spot lists. Each link opens the Ohio subset of mapped rockhounding spots for that mineral.
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