A view of the quarryAbout 200 million years ago the region where today is located the beautiful fishing village of Sesimbra was invaded by sea arms originating large lagoons. The rapid evaporation of the water in this hot and dry environment has led to the accumulation of salts in the bottom of these lagoons; in this case the salt was gypsum.Gesseira de Santanais the unique occurrence in the municipality of Sesimbra representative of this remote ..

“Why are those Wulfenites so extraordinary expensive?“ This thought accompanied me for several years whenever I tried to get a good specimen from Stefanie Mine at Bleiberg. I just could not understand that for the price of one Wulfenite you would be able to buy probably 10 good specimens from any other place. After 5 years of living at Bleiberg there was not even one Wulfenite crystal in my collection. At this time I got to know Herbert Stichau..

The human presence has left traces in Lisbon since the prehistoric times. Traces of civilization were found in the Alcantara Valley, Monsanto, Campolide, among others, indicating the colonization of the region. Several people passed through the territory that is now Lisbon leaving some of their brand. Such is the case of the Phoenicians, Greeks, Carthaginians and Romans Muslims. Recent archaeological excavations have recorded traces of occupation..