Prehnite Pseudomorph After Laumontite Apophyllite Large 238g

This is an exceptional, large Prehnite pseudomorph after Laumontite specimen with lustrous, transparent and translucent, rectangular Apophyllite crystals. Crystallized Prehnite replaced prismatic crystals that were once Laumontite.  A less common mineral occurrence. 238 grams. Free domestic shipping. Click to buy! This fine specimen features fascinating finger-like stalks, some stalactite-like, of pale, light blue-green Prehnite.  Crystallized on both sides, presenting as a epimorph; looking like where the Laumontite dissolved, leaving a cast appearance on the underside of the specimen. A very aesthetic specimen for your collection. Mineral collectors believe the availability of specimens of this type will be more and more rare as time passes.  Measures: 4.81" x 4.68" x 1.33" or 122.2mm x 118.9mm x 33.9mm.  Source: Bombay Quarry, Mumbai District,  Maharashtra, India. Obtained from our contact that has a direct relationship with the owners of the mines in India.