Size 9 x 8 x 3,5 cm - weight 211 grams Hilarionite is a wonderful very rare mineral, with a rich coverage of green - yellow crystals. where it is full on both sides of the specimen, Wonderful combination and an excellent specimen for the species. Hilarionite is a rare secondary iron mineral, which was discovered for the first time in Greece. Its name comes from the Hilarion mine in Kamariza (Agios Konstantinos) in the Lavrio region, which is also the type locality of its occurrence. It is formed in the oxidation zone of sulfide ores. In Lavrio it often coexists with other minerals such as gypsum, azurite, goethite and jarosite. According to data from Mindat.org, it was officially approved as a new mineral by the IMA in 2011. From ''Hilarion'' Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos (Kamariza), Lavreotiki, East Sounio Attica, Greece will be sent with a security number