Orbicular diorite pebble (Corsica - Saint Lucia of Tallano) A
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18,90 € - Regular price
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18,90 €
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DIOR-G-01
Origin: Corsica
Grade: A
Dimensions:
About 35-40mm
Weight:
Between 20 and 30g
Origin:
Corsica: Santa Lucia di Tallano
Grade:
A = good
Very beautiful orbicular diorite pebble polished on both sides of approximately 35-40mm
Shapes and patterns may vary slightly from one stone to another.
Also called Corsite or Napoleonite, orbicular diorite presents characteristic spherical structures called orbicles. Its chemical composition is intermediate between a diorite and a gabbro. The light minerals are calcic plagioclase feldspars of the anorthite and bytownite type, the dark minerals are amphiboles of the hornblende type as well as pyroxenes. We know that orbicular diorite was used to make the tomb of Napoleon I in Les Invalides and the funeral chapel of the Medici in Florence.
Shapes and patterns may vary slightly from one stone to another.
Also called Corsite or Napoleonite, orbicular diorite presents characteristic spherical structures called orbicles. Its chemical composition is intermediate between a diorite and a gabbro. The light minerals are calcic plagioclase feldspars of the anorthite and bytownite type, the dark minerals are amphiboles of the hornblende type as well as pyroxenes. We know that orbicular diorite was used to make the tomb of Napoleon I in Les Invalides and the funeral chapel of the Medici in Florence.
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