Rocks & minerals reported in Indiana
30 rocks, minerals, gemstones, and fossils reported across 32 mapped rockhounding spots in Indiana. Each entry links to a field-ID guide; the state-specific links open the list of spots known to produce that material in Indiana.
Most-reported in Indiana
Ranked by the number of Indiana spots in this dataset that mention each material.
Marcasitecommonmineral · Mohs 6-6.5pale brass-yellow, tin-white, gray
Calcitecommonmineral · Mohs 3white, colorless, yellow
Geodecommonsedimentary · Mohs 7white, gray, brown
Pyritecommonmineral · Mohs 6-6.5brass-yellow, pale-gold
Quartzcommonmineral · Mohs 7colorless, white, gray
Baritecommonmineral · Mohs 3-3.5colorless, white, yellow
Fluoritecommonmineral · Mohs 4purple, blue, green
Dolomitecommonmineral · Mohs 3.5-4white, gray, pink
Sphaleritecommonmineral · Mohs 3.5-4yellow, brown, black
Aragonitecommonmineral · Mohs 3.5-4white, colorless, yellow
Celestitecommonmineral · Mohs 3-3.5colorless, white, pale blue
Sideritecommonmineral · Mohs 3.5-4yellow, brown, gray
Where in Indiana to find each
State-specific spot lists. Each link opens the Indiana subset of mapped rockhounding spots for that mineral.
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