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Travel through the Granite of Portugal  Granites Granite as known belongs to a larger family of rocks that have a major chemical composition of quartz and feldspars. Muscovite, Biotitic or Amphiboles are the mineral characteristics of granite rocks.  The Portuguese granites are known for their quality and variety. The frequency...

Travel through the Marbles’ of Portugal The great source of Portuguese marbles Stone extraction in Portugal is happening well from the Roman reins and that has played significant roles in the architectural heritage of the country. Monuments, Statues, Fountains, Places and other ancestral buildings are long-standing examples of Iberian Peninsula...

Specimens produced in Iberian Peninsula- Cassiterite, Topaz, Galena, and Stannite  Cassiterite  Cassiterite with quartz, fluorapatite, and arsenopyrite: It’s a group of Cassiterite crystals that are sharp, shiny, and translucent on the edges. Fluorapatite crystals of almost white colour, aggregates of arsenopyrite crystals, and quartz crystals were found.  Cassiterite with quartz:...

Specimens produced in Iberian Peninsula- Arsenopyrite, Siderite, Quartz, and Fluorite Arsenopyrite  Arsenopyrite- Muscovite: They are iridescent crystals of Arsenopyrite that form closed aggregates with parallel growth and they look lustrous. Arsenopyrite- Pyrite, Fluorapatite and Siderite: They are crystals that look unusually individualised and elongated. The faces and edges are good....