| Alleghany County | wurtzite | |
| Berks County | ||
| Jones Mine | brochantite, clinochlore | |
| Blair County | ||
| Bellwood | celestine | |
| Carbon County | ||
| Mauch Chunk | carnotite | |
| Nesquehoning | lansfordite, nesquehonite | |
| Packerton Junction | francevillite, torbernite | |
| Centre County | ||
| Stormstown | gibbsite | |
| Chester County | talc | |
| Brinton's Quarry | vermiculite | |
| Chester County Mine, Pheonixville | pyromorphite, wulfenite | |
| East Whitland Township | coeruleolactite | |
| French Creek | chalcopyrite, pyrite, stilpnomelane | |
| Keystone Traprock Quarry | clinozoisite | |
| Malvern | lepidocrocite | |
| Steidler's Pegmatite | ferrocolumbite, phosphuranylite | |
| Wheatley Mine | fluorite, wheatleyite | |
| Cumberland County | ||
| Moore's Mill | strengite | |
| Delaware County | quartz | |
| Mineral Hill | manganocolumbite | |
| Lancaster County | ||
| Cedar Hill | brucite | |
| Gap Mine | millerite | |
| Mud Lake | goethite | |
| Red Pit | magnesiochromite | |
| Wood's Mine | antigorite, baltimorite, brucite, chromite, deweylite, genthite, hydromagnesite, pyroaurite, williamsite, zaratite | |
| Lebanon County | ||
| Cornwall | analcime, hydroxyapophyllite, magnetite, natrolite, pyrite, tochilinite | |
| Lehigh County | ||
| Friedensville | hemimorphite | |
| Mountainville | chloropal | |
| New Hartman Mine | hemimorphite, greenockite | |
| Shimersville | corundum | |
| Lycoming County | ||
| Lime Bluff Quarry | cornubite | |
| Madison County | pickeringite | |
| Montgomery County | ||
| Ecton Mine | susannite, wulfenite | |
| Perkiomen Mine | pseudomalachite | |
| Kibblehouse Quarry | corrensite, natrolite, stellerite | |
| Oreland | goethite | |
| Northampton County | ||
| Bachman Iron Mine | matulaite, wavellite | |
| Bethlehem | chevkinite-(Ce) | |
| C.K. Williams Quarry | eastonite, thorogummite, tremolite, wolsendorfite | |
| Sherrer's Quarry | thorianite | |
| Northumberland County | ||
| Doughty Mine | sauconite | |
| Meckley Quarry | strontianite | |
| Shamokin | acetamide, bararite, berndtite, cryptohalite, hieratite, laphamite, mascagnite | |
| Schuykill County | ||
| Saint Claire | dickite | |
| Union County | ||
| Faylor-Middlecreek Quarry | celestine, strontianite | |