1.46″ Smithsonite Sphere SPR20
Smithsonite sphere is rare to come by because smithsonite itself is rare. Smithsonite is zinc carbonate (ZnCO3).
Smithsonite, with all its nooks and crannies, is difficult to cut and make it into a sphere. Dale made it into sphere and he did a great job. The smithsonite sections of the sphere are translucent and they have a bluish/greenish color. There are many nooks and crannies and one large geode-like vug lined with botryoidal crystals. The greenish/bluish color indicates that the zinc was partially replaced with copper. The yellowish sections are the host rock.
This smithsonite sphere has a 1.46″ diameter (mm) and it weighs 3.38 oz.
Under shortwave ultraviolet light it glows a soft purple but this may be just a reflection.
Origin: The smithsonite comes from Mexico.
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