Apr 27, 2020 · On this week i have for you a large box with mineral specimens from Madan in Bulgaria. The Box include 24 specimens such as Quartz, Pyrite, Manganoan Calcite (UV), Galena, Chlorite, Sphalerite. Very nice classic pieces from famous locality with very good variety . All specimens will be described ! Size of the Box: 40 x 28 cm Minimum specimen size: 40 x 25 x 17 mm Maximum .