Rocks & minerals reported in Rhode Island
23 rocks, minerals, gemstones, and fossils reported across 16 mapped rockhounding spots in Rhode Island. Each entry links to a field-ID guide; the state-specific links open the list of spots known to produce that material in Rhode Island.
Most-reported in Rhode Island
Ranked by the number of Rhode Island spots in this dataset that mention each material.
Quartzcommonmineral · Mohs 7colorless, white, gray
Jaspercommonmineral · Mohs 6.5-7red, yellow, brown
Agatecommonmineral · Mohs 6.5-7white, gray, blue
Amethystcommongemstone · Mohs 7purple, violet, lavender
Carneliancommonmineral · Mohs 6.5-7red, red-orange, brownish-red
Berylcommonmineral · Mohs 7.5-8colorless, green, blue
Chalcedonycommonmineral · Mohs 6.5-7white, gray, blue
Serpentinecommonmineral · Mohs 2.5-5.5green, yellow, brown
Amazonitecommonmineral · Mohs 6bright green, blue-green, teal
Apatitecommonmineral · Mohs 5green, blue, yellow
Biotitecommonmineral · Mohs 2.5-3black, dark brown, dark green
Chalcopyritecommonmineral · Mohs 3.5-4brass-yellow, iridescent, gold
Where in Rhode Island to find each
State-specific spot lists. Each link opens the Rhode Island subset of mapped rockhounding spots for that mineral.
Pack the Rhode Island encyclopedia in your pocket
Open RockHoundR for offline lookups, mapped spots, and live land overlays.
