Galena

Unknown Owner

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The pic just has to speak for this specimen by itself, because it would be difficult to describe the truly astounding and unique crystallography of this Missouri galena. There are two intergrown habits of crystal here. One of them is a fairly conventional cube with a stepped form on the back side. The other is just incredible; it is roughly a rectangular shape overall, but the surface consists entirely of every conceivable modification of the cubic form, as if it were created for a science class! Spinel twinning is abundant here as well. Ex. Feist Collection.