Specimen Number46-2-012Alternate Number49-106-22CommentsLarge sample. Pink veins of dumortierite that crosscut quartz + muscovite unit that appears to be silicified rhyolite. Need XRD to confirm mineralogy of putative rhyolite.In Teaching CollectionNoMineral(s)dumortieritequartzmuscoviteRock NameAl-B oreDistrictSacramentoMineChampion, NVExternal LinkMindatDeposit TypeVeinGeo-Coords[1] Donated ByUniversity of Wisconsin-Madison Department of Geoscience