A perfect presentation of the classic Elmwood combination of Sphalerite, Calcite and Dolomite. Gemmy 'ruby jack' Sphalerite hosts double terminated crystals of orange-fluorescing yellow Calcite on a sparkling matrix with a scattering of Dolomite and Sphalerite crystals. Elmwood Mine, Carthage, Smith County, Tennessee, USA 2.25" x 1.25" x .75", 1 oz.