Franckeite hexagonal These crystals are very sharp

These crystals are very sharp

so he decided to blow up the entire section of the mine where the Vivianite was being collected

and better in person

The main Brookite is undamaged and is actually intergrown (bisected) with a smaller Brookite that created an interesting form at the base

they would see small red reflections which are proof to the presence of manganese in the crystals

Franckeite hexagonal These crystals are very sharpThis fantastic specimen was mined in the late 1970s early 1980s and stands out as one of the best pieces of this material that I have offered from this prolific discovery. I think it goes without saying that the finest specimens of Franckeite are found at this mine. This is one of my favorite species from Bolivia, as it has an interesting chemistry, unique crystals, and it belongs to the only group of minerals that form naturally round or cylindrical