- Thumbnail, 1.3 x 0.9 x 0.8 cm
- Jeffrey mine (Jeffrey quarry; Johns-Manville mine), Asbestos, Les Sources RCM, Estrie, Quebec, Canada
Distinct prehnite crystals are rare in nature. The crystal is beautiful, water-clear and colorless and has a sloping, pseudo-cubic form. This striking specimen is from the Jeffrey Mine of Quebec and is from the Carl Davis Collection. Very unusual and rare in this crystal form.