AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Prehnite on Thomsonite pseudomorphs after Laumontite |
DESCRIPTION: | No. 52493 |
Mineral: | Prehnite on Thomsonite pseudomorphs after Laumontite |
Locality: | Upper New Street Quarry, Paterson, Passaic County, New Jersey |
Description: | Unusual green prehnite crystals to 3 mm white thomsonite pseudomorphs after prismatic laumontite crystals to 35 mm long. The laumontite formed first, was overgrown by thomsonite, then the prehnite formed last, and the laumontite dissolved away. Ex. John Geiges collection #1066; collected by Eric Stanchich in July 2007 |
Overall Size: | 5.5x3x3 cm |
Crystals: | 1-3 mm |
Archived: | For reference only |
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