Copper (large "Spinel"-twin) Prehnite and it displays well from

and it displays well from a few angles

This piece features a fairly large

First is the fact that the crystal is ON MATRIX

single finger-shaped cast of Prehnite after Anhydrite with bright green color

but the second reason is the apparent quality

Copper (large "Spinel"-twin) Prehnite and it displays well fromA truly impressive and superb quality, large "Spinel" twinned crystals of Native Copper from the recent mining at this large Copper pit locality in Australia. The specimen almost reminds me of an arrow due to its shape, but it also has somewhat of an organic quality to it as well. The piece displays a fantastic blending of the large central twin which is flanged on several sides by small Copper crystallization, along with the gorgeous skeletal or