Rocks & minerals reported in Pennsylvania
68 rocks, minerals, gemstones, and fossils reported across 86 mapped rockhounding spots in Pennsylvania. Each entry links to a field-ID guide; the state-specific links open the list of spots known to produce that material in Pennsylvania.
Most-reported in Pennsylvania
Ranked by the number of Pennsylvania spots in this dataset that mention each material.
Quartzcommonmineral · Mohs 7colorless, white, gray
Jaspercommonmineral · Mohs 6.5-7red, yellow, brown
Calcitecommonmineral · Mohs 3white, colorless, yellow
Pyritecommonmineral · Mohs 6-6.5brass-yellow, pale-gold
Amethystcommongemstone · Mohs 7purple, violet, lavender
Petrified Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Azuritecommonmineral · Mohs 3.5-4azure blue, deep blue
Chalcedonycommonmineral · Mohs 6.5-7white, gray, blue
Chertcommonmineral · Mohs 6.5-7white, gray, brown
Malachitecommonmineral · Mohs 3.5-4bright green, dark green, emerald green
Fluoritecommonmineral · Mohs 4purple, blue, green
Magnetitecommonmineral · Mohs 5.5-6.5black, iron-black
Where in Pennsylvania to find each
State-specific spot lists. Each link opens the Pennsylvania subset of mapped rockhounding spots for that mineral.
