Cassiterite Mineral Specimen from Panasqueira Mine, Portugal Cassiterite:#5 marcasite is known as a

marcasite is known as a stone of clarity

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Excellent example of trilobite enrolment behaviour

or displaying in a healing space

highlighting the dual nature of refined energy and untouched Earth

Cassiterite Mineral Specimen from Panasqueira Mine, Portugal Cassiterite:#5 marcasite is known as aCassiterite is a tin oxide mineral with the chemical formula SnO, the primary ore of tin. Its dominant element, Tin (Sn), has an atomic number of 50 on the periodic table. Cassiterite crystallises in the tetragonal system and often appears as lustrous prismatic or pyramidal crystals, ranging in colour from deep brown to black, sometimes with golden or reddish hues in gem quality specimens. This piece comes from the world famous Panasqueira Mine in