Northern Pennine Mines This site is dedicated to the mineral workings of the Northern Pennine orefield of England and those who worked them. My own particular fascination is with lead mines, their history, geology and mineralogy.
Norwegian Rockhound Welcome to my homepage. In this page I will show pictures of some Norwegian minerals , sometimes with a short description of the mineral and the geological parageneses they were found in.
Oklahoma Crystal Collecting Are you looking for information on rock, mineral or crystal collecting in Oklahoma? If so, you've come to the right place.
Online guide to gemstone prices First online guide to colored gemstone prices. Gemstone prices database is updated weekly. Fast and precise online gemstone appraisal. Gemval.com service is free.
Online minerals Online Minerals is an Internet mineral dealership. We sell mineral specimens for mineral collectors and offer aesthetic specimens from Southern Africa and other international localities. We are located at Fourways, near Johannesburg, South Africa
Palamine8 About me, escursioni, foto gallery, eventi, chat scambio minerali, minerali in vendita.
Patrick VOILLOT Specialist in precious and fine gem stones. Writer of various books and author and director of several documentaries like "In Search of Precious Stones". Follow me to the fascinating adventure of the precious gem stones.
Petrov Rare Minerals; Alfredo Petrov This website is devoted mainly to disseminating information on minerals from localities which are not well known in the english-speaking world, starting with Bolivia and Japan, the author’s two favorite mineral countries.
Pierre-Christian GUIOLLARD Auteur-Editeur-Conferencier Pierre-Christian GUIOLLARD est photographe de métier. Passionné par l’or et la mine depuis plus de vingt cinq ans il s’est spécialisé dans l’histoire des techniques minières (charbonnages, mines d’or et mines d’uranium principalement).
Pirita Caraterístiques generals: És insoluble a l'acid clorhídric i soluble a l'àcid nítric. El seu nom vol dir foc, el fet que quan la colpeges amb l'anella, produeix xispes. Conté 53,4% de sofre i 46,6% de ferro.
Rayer minerals Rayer collection: Picture Gallery of this great mineral collection with a lot of agate specimens from worldwide locations. Agates and Minerals for sale, too.
Rocas de Galicia Su razón de ser es la geología de Galicia. Los contenidos son todavía escasos, el tema es prácticamente inagotable. Nosotros, por el momento, nos hemos limitado a incluir fotografías de rocas de algunas zonas muy localizadas.
Rockchaser Blog about rocks, lapidary, fieldtrips, etc. Many good pictures!
Rockhound Blog This blog has been designed to help Rockhound enthusiasts connect, swap valuable information and chat about current events.
Rockhounding Arkansas Arkansas quartz crystals, rocks and minerals, and diamonds are famous around the world. Here is the authoritative guide to rock and mineral collecting.
RockHounds: The Movie An indpendent, feature length documentary film about rock hounding and gem, mineral & fossil collecting.
Rockroost As you browse through our pages you will see that we offer a variety of educational, informative and hopefully useful articles on Rockhounding trips we have been on; Cutting and Polishing Geodes and Gems; News; Tips; Photos.
Rocks and minerals facts. Ivy Hall School If you like rock collecting or need a lot of information for a report on rocks and minerals, don't miss our collection in the "Rocks and Minerals" section! It's been rated as a Recommended Site by the Los Angeles Times.
RocksForKids.com This site is for kids of all ages who love rocks. Here you will find out stuff about rocks & minerals and where to go to find out more. If you already collect rocks then this is the place for you! Find out where you can get more rocks...