Here is a write up of an earlier trip

Field trip! September 6, (Saturday)!! U.S. Silica Quarry 17359 Taylor Creek Rd., Montpelier, VA 23192 This location is just northwest of Richmond. Estimated driving time from the Tidewater area is 1-1/2 to 2 hours. Quarry time: 8:30 a.m to 11:30 a.m. Equipment required: hard hat, steel-toed boots, safety glasses, rock hammer (bring food and water as desired)

Directions: I-64 TOWARD RICHMOND MERGE ONTO I-295N VIA EXIT 200 TOWARD WASHINGTON 20.4 MI. TAKE THE US-33W EXIT 49A TOWARD MONTPELIER .3MI. TURN RIGHT ONTO STAPLES MILL RD/US-33W. CONTINUE TO FOLLOW US-33W. 8.9 MI. TURN LEFT ONTO ST. PETERS CHURCH RD. 4.0 MI. TURN SLIGHT LEFT ONTO DUNNS CHAPEL RD. .7 MI. TURN RIGHT ONTO TAYLORS CREEK RD. .9 MI. END AT 17359 TAYLORS CREEK RD. THIS IS A PEGMATITE QUARRY WITH ALMANDINE GARNETS, QUARTZ CRYSTALS, AND LAPIDARY GRADE GRAY MOONSTONE. IT IS MOSTLY PICK UP AND KEEP WHAT YOU FIND. SOME SPECIMENS CAN BE AS BIG AS A BASKETBALL SO A SMALL CRACK HAMMER MAY BE DESIRABLE.