%0 Generic %D 0 %T Mindat.org %K #Collecting %K #EducationalResources %K #MapsDataPublications %K #MineralDatabase %K #MineralResources %K #Minerals %K active %K collecting %K dimension stone %K economic geology %K fossils %K gold %K lead %K mineral deposits %K minerals %K mines %K quarries %K rockhound %K sand and gravel %K sand pits %K silver %X "Mindat is the largest mineral database and mineralogy reference website on the internet. This site contains worldwide data on minerals, mineral collecting, mineral localities and other mineralogical data. This site is growing every day, with new mineral information, localities and photographs added by members." %I MinDat.org %G eng %U http://www.mindat.org %0 Generic %D 0 %T Mineral Resources Data System (MRDS) %K #EducationalResources %K #MapsDataPublications %K #MineralDatabase %K #MineralResources %K #Minerals %K collecting %K dimension stone %K economic geology %K gold %K lead %K minerals %K mines %K quarries %K sand and gravel %K sand pits %K silver %X MRDS is a collection of reports describing metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, deposit description, geologic characteristics, production, reserves, resources, and references. It subsumes the original MRDS and MAS/MILS. MRDS is large and complex. This service provides a subset of the database comprised of those data fields deemed most useful and which most frequently contain some information, but full reports of most records are available as well. %I USGS %G eng %U http://tin.er.usgs.gov/mrds/ %0 Generic %D 0 %T Minerals Yearbook for Massachusetts %K #Collecting %K #EducationalResources %K #MassGeology %K #MineralDatabase %K #MineralResources %K #Minerals %K industrial %K minerals %K quarries %I USGS %G eng %U http://minerals.usgs.gov/minerals/pubs/state/ma.html