Copper ("Spinel"-twin) bi-color save a rough spot on

save a rough spot on the bottom where it detached from the matrix

I acquired just a few of these specimens in 2011 and I honestly thought them to be a common and unassuming associated species i

and the best specimens are breathtaking from the standpoint of color

well-formed faces on the piece

This piece is one of the better specimens to come out of that 2002 discovery and features several sharp

Copper ("Spinel"-twin) bi-color save a rough spot onA beautiful "Spinel" twinned Copper specimen from the Rocklands Mine in Australia. This doubly terminated, undamaged "floater" features a robust, sharp, well formed elongated twin, which actually shows multiple planes of twinning, highlighted by beautiful repeating negative skeletal crystal face lines on both sides. The rich antique patina on the surface combined with the fantastic crystallization and form make it an eye catching and high quality