Prehnite “BOOT”-shaped cast after Anhydrite with Calcite monoclinic This Aquamarine specimen was mined

This Aquamarine specimen was mined by Richard Kosnar in the late 1970's and his diggings produced some of the finest color

undamaged "floater" with excellent form

Tsumeb stands as the king for collectors

As the crystal was naturally etched in a way so that you can see the termination stayed completely untouched while the upper portion of the crystal was hollowed out but

Prehnite “BOOT”-shaped cast after Anhydrite with Calcite monoclinic This Aquamarine specimen was minedA unique and eye catching large thumbnail sized display specimen. The piece has an uncanny resemblance to a BOOT (!) and certainly is unlike any other specimen in the lot. To top it off, the piece is accented with several off white color scalenohedra of Calcite. 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