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Quartz and Sphalerite
and the faces on the Magnetite crystals are rather smooth and shiny
The famous Camp Bird Mine
and this one is distinctive because it formed in a three-dimensional cluster with attractive
Prehnite finger cast after Anhydrite Cerite Quartz and SphaleriteA classic, single finger shaped cast of Prehnite after Anhydrite with good luster on the display side, and a slight coating of a secondary clay mineral on the back. The underside of the piece shows the square cross section of the once preexisting Anhydrite crystal that was the base for the cast. The Prospect Park Quarry is arguably the most famous mineral producing basalt quarry in New Jersey and, for over a century, has provided collectors with
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