Rocks & minerals reported in Wisconsin
65 rocks, minerals, gemstones, and fossils reported across 64 mapped rockhounding spots in Wisconsin. Each entry links to a field-ID guide; the state-specific links open the list of spots known to produce that material in Wisconsin.
Most-reported in Wisconsin
Ranked by the number of Wisconsin spots in this dataset that mention each material.
Quartzcommonmineral · Mohs 7colorless, white, gray
Agatecommonmineral · Mohs 6.5-7white, gray, blue
Calcitecommonmineral · Mohs 3white, colorless, yellow
Kyanitecommonmineral · Mohs 4.5-7blue, colorless, white
Galenacommonmineral · Mohs 2.5lead-gray
Jaspercommonmineral · Mohs 6.5-7red, yellow, brown
Marcasitecommonmineral · Mohs 6-6.5pale brass-yellow, tin-white, gray
Pyritecommonmineral · Mohs 6-6.5brass-yellow, pale-gold
Baritecommonmineral · Mohs 3-3.5colorless, white, yellow
Diamondcommongemstone · Mohs 10colorless, yellow, brown
Lake Superior Agatecommonmineral · Mohs 6.5-7red, orange, yellow
Sphaleritecommonmineral · Mohs 3.5-4yellow, brown, black
Where in Wisconsin to find each
State-specific spot lists. Each link opens the Wisconsin subset of mapped rockhounding spots for that mineral.
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