Hessite on quartz - Botes near Zalathna, Siebenbürgen, Romania. Dimensions of the specimen: Approx. 8 x 3 cm, Inv. No. D 15.
The strongly elongated and partially rounded largest crystal of the hessite (a silver-tellurium mineral) sample shown is almost 4 cm in length. It is thus one of the largest individual crystals of this mineral type, making it one of the most important pieces of this collection.