Russia "Quartz" Co., Ltd. produces OVS-020-V, VS-grade quartz sand for extraction, concentration and marketing of natural substances, 030-B, VS-040-1, VS-050-1, S-070 -1. PB-150-1 is based on one of the largest reserves, niy of Europe, and opened in 1934. Volume production-75,000 tons per month. • The product has unique characteristics: low Fe2O3 content, the zero-meter composition in the Gera-Corridor ranges from 0.2 to 0.63 mm.