Prehnite “BOOT”-shaped cast after Anhydrite with Calcite monoclinic One side features a group

One side features a group of stout and thick "Spinel"-twins which are characterized by their gorgeous smooth crystal faces and hollow negative faces all around

The Chabazites are mostly white

it makes the piece all the more desirable

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

The gemminess and color make it a worthwhile “toenail” sized specimen of this well contemporary classic material

Prehnite “BOOT”-shaped cast after Anhydrite with Calcite monoclinic One side features a groupA 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