Bramberg am Wildkogel is a small municipality in the Salzburgerland, Austria. The small town hosts one of the top quality collections of Alpine minerals. Definitely a must see for all serious collectors visiting Austrian Alps!
Atacamite is a rare secondary basic copper chloride, famous for its striking deep green color. It forms highly aesthetic crystals and belongs to popular specimens among secondary minerals collectors.
Brookite is a rare and highly aesthetic mineral of the alpine clefts. It is a titanium dioxide polymorph with only limited industrial use, but it is a very popular collector’s item.
Platinum is a commercially valuable metallic native element, prized for its physical resistance to chemical and temperature assault, its ductility and malleability, and its utility in enabling catalytic reactions. It is also a precious metal and in the natural form also a rare collecting asset.
The amphibole supergroup is a group of more then hundred rock-forming silicates. This article provides general introduction to structure, physical properties and chemical composition of amphiboles.
