silver bolaThe Guanajuato silver-gold district is characterized by classic, hh grade silver-gold, epithermal vein deposits with low sulfidation mineralization and adularia-sericite alteration. The Guanajuato veins are typical of most epithermal silverHarga Listing Bola Silver Termurah & Terbaru Mei 2025 ✓ 100% Orinal ✨ Gratis Ongkir 🏷️ Bergaransi ⚡ 2 Jam Sampai.