Rocks & minerals reported in Connecticut
56 rocks, minerals, gemstones, and fossils reported across 48 mapped rockhounding spots in Connecticut. Each entry links to a field-ID guide; the state-specific links open the list of spots known to produce that material in Connecticut.
Most-reported in Connecticut
Ranked by the number of Connecticut spots in this dataset that mention each material.
Berylcommonmineral · Mohs 7.5-8colorless, green, blue
Quartzcommonmineral · Mohs 7colorless, white, gray
Aquamarineuncommongemstone · Mohs 7.5-8blue, blue-green, green-blue
Rose Quartzcommongemstone · Mohs 7pink, rose-red
Calcitecommonmineral · Mohs 3white, colorless, yellow
Galenacommonmineral · Mohs 2.5lead-gray
Smoky Quartzcommonmineral · Mohs 7brown, gray, black
Agatecommonmineral · Mohs 6.5-7white, gray, blue
Amethystcommongemstone · Mohs 7purple, violet, lavender
Chalcopyritecommonmineral · Mohs 3.5-4brass-yellow, iridescent, gold
Graphitecommonmineral · Mohs 1-2black, steel-gray
Prehnitecommonmineral · Mohs 6-6.5green, yellow-green, white
Where in Connecticut to find each
State-specific spot lists. Each link opens the Connecticut subset of mapped rockhounding spots for that mineral.
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