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Where better-formed
Many of these specimens are speckled with small pits on the faces
The calcite contrasts beautifully with dark veining caused by pyrite
visible through the pink chalcedony (in the botryoidal form just to the left of my thumbnail)
The smoky quartz of this specimen is nearly entirely covered by hyalite other than one well-formed crystal jutting out the bottom and a small one in the schorl
Prehnite with epidote polished tower Pick your own...:A Where better-formedApprox height: A 3. 5" sits wobbly! B 4" a bit precarious due to hollow base! C 3. 75" D 3. 5" E 3. 5" Alternately called points or obelisks, these towers are cut and polished from botryoidal prehnite pierced with dark needles of epidote. I prefer to pick towers with open cavities that reveal the mineral structure, and these points have excellent raw (natural, unpolished) edges and openings revealing the botryoidal prehnite formations. Prehnite and
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