Rocks & minerals reported in Colorado
50 rocks, minerals, gemstones, and fossils reported across 28 mapped rockhounding spots in Colorado. Each entry links to a field-ID guide; the state-specific links open the list of spots known to produce that material in Colorado.
Most-reported in Colorado
Ranked by the number of Colorado spots in this dataset that mention each material.
Berylcommonmineral · Mohs 7.5-8colorless, green, blue
Agatecommonmineral · Mohs 6.5-7white, gray, blue
Chalcedonycommonmineral · Mohs 6.5-7white, gray, blue
Fluoritecommonmineral · Mohs 4purple, blue, green
Amazonitecommonmineral · Mohs 6bright green, blue-green, teal
Calcitecommonmineral · Mohs 3white, colorless, yellow
Goldcommonmineral · Mohs 2.5-3gold-yellow, pale yellow, orange-yellow
Jaspercommonmineral · Mohs 6.5-7red, yellow, brown
Smoky Quartzcommonmineral · Mohs 7brown, gray, black
Topazcommonmineral · Mohs 8yellow, brown, colorless
Albitecommonmineral · Mohs 6-6.5white, colorless, gray
Aquamarineuncommongemstone · Mohs 7.5-8blue, blue-green, green-blue
Where in Colorado to find each
State-specific spot lists. Each link opens the Colorado subset of mapped rockhounding spots for that mineral.
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