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Tetrahedrite, Sphalerite, Quartz
Dimensions:
2.9x 2.6x 1.5
Object number: 2019.3.1863
Description12mm tall parallel growth Xtalline aggregate. with day brown sphalerite Xtal (possibly spinal. twin) embedded with Imms tetrahedral chalcopyrite Xtrds, with 2 hexaginal prisms of quarty. 23mm tall milky