Prehnite
4677 Prehnite, Epidote, Gneiss quarries, Arvigo, Calanca Valley, Misox, Grischun, Switzerland
Tabular colourless prehnite crystal on epidote. Width of view 3mm. Stack of 50 images. Click on the image below for a higher resolution version.
10011 Prehnite, Calcite, Lower New Street quarry, Paterson, Passaic Co., New Jersey, USA
Lustrous and transluscent green botryoidal prehnite with calcite crystals on back side. Ex A Schumacher, labelled as New Street Quarry, number 86. Ex J Obert (on Schumacher label). Ex Alfred Stevenson Collection, labelled as Prospect Park, number 918. Ex Eugene Carmichael Collection, number 1053.
10006 Hydroxyapophyllite-(K), Prehnite, Stilbite, Thaumasite, Bull Run Quarry, Conklin, Loudoun Co., Virginia, USA
Transparent tabular apophyllite with minor colourless stilbite and orange (stained or coated) acicular thaumasite on green prehnite. 60x60x18mm. Ex Eugene Carmichael Collection (563) – label also mentions New York State Museum. Ex Hugh Ford (two labels – 995 and 1151). Ex August Dietz (3161) which has Coll. TK (or perhaps...