Blocky opaque apophyllite with minor colourless stilbite and white laumontite on green prehnite. 65x45x10mm. Ex Joe Cilen (7403). Ex Eugene Carmichael (562). Hydroxyapophyllite-(K), prehnite, stilbite, laumontite, from the Fairfax quarry (Centreville Quarry; Sisslers Quarry), Centreville, Culpeper Basin, Fairfax Co., Virginia, USA.