Presents a collection of mineral photos and descriptions organized by name, class, and group. Includes a category of minerals cited in the Bible.
Searchable lists of minerals gives the scientific formula for each. It is sorted either alphabetically or systematically.
Forum for rock enthusiasts offers a mailing list and resource links. Provides a substantial rock and mineral photo gallery, as well.
View photos of crystal clusters and crystal mines, check out selections that are for sale, and view a map to the crystal mine in Hot Springs, AR.
US Naval Research Laboratories provides pictures of almost 80 crystal structures. Images are available from different perspectives and in 3-D.
Search mineral types by name, author, date of publication, chemical formula, or category. Offers brief statistics for each entry.
University of Texas presents notes and images about such gems as diamonds, rubies, sapphires, and emeralds. See links to further resources.
US Geological Survey and the Department of the Interior present production profiles of individual gems. Read the report abstract.
Discover an introduction to the art of collecting fluorescent minerals. Embrace photos of this collector's collection, featuring various species.
Find annotated resources, especially for mineralogists, petrologists, crystallographers, and geologists.
Relays datasets collected by the National Geophysical Data Center. Also offers an informational CD-ROM and links to further resources.
Explore the physical properties of a range of minerals. Guide also features advice on collecting and a special gemstone section.
Discover the composition and characteristics of zeolites. Includes a listing of common zeolite types.
Check out this growing collection of mineral descriptions, images, and specimens. Find minerals by name, and discover ordering information.
California Institute of Technology offers data relating to mineral colors. Supplies a wealth of references and provides related links.
Displays the structure of minerals on this interactive resource. Load the plug-in to browse the list of available minerals.
Learn about the chemical classification, physical properties, and origins of minerals.
Peruse a wide range of resources for mineral collectors. Find software, educational resources, mineralogy societies and images.
Comprehensive resource provides mineral species by crystal system, intensity and D spacing, the New Dana system, and the Strunz system.
LV Bershov and SV Titkov, of the Russian Academy of Sciences, present their research article. Includes diagrams and references.
Jean Cutler Prior presents photos of minerals that can be found in this Midwestern state. Also offers brief description of each.
From Broken Hill, Australia, comes this hobbiest's store of images, information and links for fellow virtual rockhounds. Includes lots of images.
Presents a definition of the term used in geology and gives examples of common materials and their geographic locations.
Find a description of the chemical process and a discussion on its importance, particularly in the petroleum industry.
Learn about a rare earth element used to age meteorites.
Look through this Paris museum's mineral database. Find profiles and photos organized alphabetically as well as by country and sample quality.
Choose a mineral from the list, then find the corresponding optical data. Comments on color, form, cleavage, composition, and alteration.
Guide explains the optical, refractive, and conductive properties of gemstones. Also supplies the Mohs Scale and lists other reference points.
Provides a wide variety of minerals from worldwide localities for beginner and advanced collectors. Explore the collection, and place an order.
Peruse a slideshow to find photographs and to read descriptions of various minerals found in different locations in Delaware, Michigan.
Mickey Gunter relays some of his work in the field. Includes an article, illustrations, and examples of accessory plates used to study crystals.
Rob created this guide while pursuing a structural geology PhD. Offers a wealth of general and research information, along with photos and links.
Introduction to mineralogy covers crystallography, crystal and mineral chemistry, and the physical properties of minerals.
Learn how to determine the Mohs Hardness of a mineral with a standard set of easy-to-obtain tools.
Humboldt State University's Geology Department maintains this collection of photomicrographs. Illustrates igneous and metamorphic minerals,
Department of mineralogy and petrography presents a photo gallery that organizes minerals by class. Photos can be enlarged.
Presents illustrations of the structure of certain minerals and supplies statistics for each. Entries are organized by mineral group.
Southern college's Department of Geological Sciences presents a collection of alphabetized minerals and supplies basis statistics for each.
US Geological Survey supplies regional program information, provides factsheets, and relays the results of several studies.
Birmingham University supplies a collection of profiles organized by country, association, plates, properties, and textures.
Students can rotate a rock sample while viewing it in plane-polarized and cross-polarized light.