18btsr.la ((TOPAZ variety PYKNITE, ZINNWALDITE)), $125 MINIMUM BID, Tin Mine, Altenberg, Erzgebirge, Saxony, Germany, 7 x 4.5 x 4 cm, Cabinet | |
Excellent specimen of Pyknite a variety of Topaz. Yellow lustrous prismatic Topaz crystals thoughout and on all sides of the specimen with associated Zinnwaldite, a mica species and Quartz. ex Wm Duncan Reismeyer collection #E58. |