www.mineralcollection.eu/product/2439...
Shiny pyrite, quartz and sphalerite crystal cluster from the Madan ore field, Smolyan Province, Bulgaria
5.5 cm x 5.5 cm
72 gram
€ 15
#pyrite #quartz #sphalerite #metalsulfides #silicates #madanorefield #bulgarianminerals #minerals #rocks #crystals #stones

www.mineralcollection.eu/product/2426...
Blue chalcedony with calcite from the Mogilata deposit, Septemvri Mine, Bulgaria
4.5 cm x 3 cm
18 gram
€ 12
#chalcedony #calcite #silicates #carbonates #mogilata #septemvri #bulgarianminerals #minerals #rocks #crystals