A crystal of flourite
A crystal of flourite, that has the shape of a regular octahedron.
The image appears in the book Il ritmo delle forme - The rhythm of the shapes.
© Franco Valoti
foto di Franco Valoti
The image belongs to the sections...:
From "fragments of topology" (From "XlaTangente")
From "towards the 4th dimension" (From "XlaTangente")
Minerals (Anthology of images)