Index No: NBM034640; Collected By: ; Sample Type: hand sample; Notes: White vein quartz, some massive, fish-scale texture (quartz-after-calcite); cinnamon-brown limonite staining; barite with quartz; fine-grained black mineral (Mnox?, sulfides?); barite crystals in vugs--most of fish scale is barite; rhyolite wall rock is kaolinized, silicified.