类似的网站 Gemlabtools.Com
GemLabTools Gemology & Gem Identification - Home
描述: Provides information on becoming a gemologist. Offers testing equipment, books, tutorials and courses.
热门搜索: gemlabtools
网站评级:
3.0 / 5.0, 审阅 Sites Like Search
语: English
网站主题: earth
Gallery of rock, mineral and fossil pictures by name, and earthquake pictures by event.
网站评级:
3.0 / 5.0, 语: English
Learn how to start rock hounting, links to rock and gem web sites.
网站评级:
3.0 / 5.0, 语: English
USGS reformatted geochemical data for Arminto quadrangle.
网站评级:
3.0 / 5.0, 语: English
Archive of articles and graphical data related to plate tectonics.
网站评级:
3.0 / 5.0, 语: English
Focuses in the research of climatic reconstruction of glacial and post-glacial times; polar ice-sheets; dynamics, history and ice-atmosphere interactions; ...
网站评级:
3.0 / 5.0, 语: English
USGS Mineral Resources Program Home Page: A source of unbiased information on the occurrence, quality, quantity, and availability of mineral resources. This ...
网站评级:
3.0 / 5.0, 语: English
Bob's Rock Shop is the net's first 'zine for mineral collectors, rockhounds and lapidary hobbyists, now joined online by Rock&Gem magazine. Among the features to ...
网站评级:
3.0 / 5.0, 语: English
Learn how to do just about everything at eHow. Find expert advice along with How To videos and articles, including instructions on how to make, cook, grow, or do ...
网站评级:
4.5 / 5.0, 语: English