minrec.orgの競合サイトトップ10

rocksandminerals.org

search and explore the millions of quality, peer-reviewed journal articles published under the taylor & francis and routledge imprints.

mindat.org

Mindat.org is the world's leading website about minerals and where they come from.

webmineral.com

complete, up-to-date, mineral database containing 4,714 mineral species descriptions and comprehensive picture library of images. these data are linked to mineral tables by crystallography, chemical composition, physical and optical properties, dana classification, strunz classification, mineral name origins, mineral locality information, and alphabetical listing of all known valid mineral species. there are extensive links to other sources of mineral data available on the www.

minsocam.org

society for the advancement of mineralogy, crystallography, geochemistry, and petrology, and promotion of their uses in other sciences, industry, and the arts.

the-vug.com

The-Vug is successful thanks to the support of our Business Partners.

irocks.com

There's Treasure Inside

amfed.org

Silver pieces made by Marty Hart at the William Holland School of Lapidary Arts, Image Credit: Marty Hart (See more about this image below)