Copper ("Spinel"-twins and crystals) sulfosalt and the crystal habit is

and the crystal habit is excessively rare in my experience with specimens from this mine

An attractive Ludlamite specimen from the famous mine at Haununi

A great quality specimen for somebody looking to own a rare and attractive "black" mineral

but good Augelite specimens are few and far between

The overall quality is excellent with no real damage to speak of except for one corner of a crystal on the periphery

Copper ("Spinel"-twins and crystals) sulfosalt and the crystal habit isThis beautiful specimen of Native Copper from the Rocklands Mine hosts a wonderful combination of sharp, euhedral, crystals and elongated "Spinel" twins intergrown to create a display quality piece. Several fine quality, smooth, defined dodecahedral and octahedral crystals of Copper can be seen from all sides. They show both smooth well formed positive faces and skeletal or "hoppered" negative faces, but they are highlighted by elongated "Spinel"