Spanchevo – Mine of Opal-Ski Brecchi, located northwest of the village. Spanchevo, Kocani. It is located in Andesitic tuffs and brececes additionally affected by hydrothermal solutions and driven. The opal tables have an irregularly elongated form by stretching SSE in length of about 2 km, a width of 400 m, and a thickness between 25-50 m. More intensive default is observed in the eastern part of the zone. Opalites have red color – Opal-Skye, and the opalitized tuffs yellowish color. The content of CIO is from 42 to 85%. The EX2 plated Opal is used mainly as an accessory in the cement industry. Lit.: Milorad Stojanovic, deposits of non-metallic mineral resources in Macedonia, Skopje, 2005. T. Sir. Ilinden Spase.
Original article in Macedonian language Cyrillic alphabet
Кириличен напис СПАНЧЕВО