“This is a large pseudomorph of muscovite after topaz; you can see the original form of the topaz crystal. The muscovite was identified by x-ray diffraction. Found in an unusual pocket with smoky quartz, microcline, albite var. cleavelandite, schorl, and goethite after pyrite. Over thirty "flats" of cleavelandite matrices were found in this vug, and nearly every one had numerous casts (epimorphs) of topaz crystals, some two inches across!Specimen measures 7.0 x 4.2 x 2.7 cm. overall; self-collected. ”

“This is a large pseudomorph of muscovite after topaz; you can see the original form of the topaz crystal. The muscovite was identified by x-ray diffraction. Found in an unusual pocket with smoky quartz, microcline, albite var. cleavelandite, schorl, and goethite after pyrite. Over thirty ”