Quartz Crystals on Calcite - San Antonio Mine, Chihuahua, Mexico
Small delicate crystals of bright green fluorescing quartz are peppered around a matrix of calcite on this striking specimen.
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These pieces have wonderfully bright red eucryptite along with spots of bright blue scheelite. Eucryptite is fluorescent a vibrant red under shortwave UV and slightly darker hue when compared to tugtupite.