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The Siderite from this mine ranges in its chemistry from the far iron end to an iron/manganese mix
but to find non-pseudomorphic native Copper is rather rare
I love how the black "phantoms" in the crystals run in thin vertical lines to create beautiful symmetry in the Brookites
A highly aesthetic and dramatic Ferberite specimen
Despite the slight amount of damage
Brookite Wurtzite The Siderite from this mineThis aesthetic specimen features the largest individual crystal of Brookite on any piece I have available, measuring a full 3. 2 cm long! These crystals are very sharp, lustrous and well formed with classic "sword" shaped pyramidal terminations. You can see a bit of a golden hue on the edges when the crystals are backlit, but they are mostly opaque. If the crystals were completely transparent, the price would be considerably higher. With that said,
