Borax is perhaps the best-known of the borates, 45 boron-containing minerals. Borates contain boron and oxygen in hydrated combinations with one or more metals.
A cabochon cut gemstone is polished to be ultra smooth: but how is it done, what tools are needed and what skills required? Learn all about cabochon cutting in this article.
We invite you to explore this handy guide to help you identify and explore your newest additions to your rock collection.
Exploring the world of rocks and minerals, we often find ourselves fascinated by the variety of silver crystals. These natural beauties come in all shapes and s
The new DK Nature Guides form a comprehensive, accessible, and informative series of illustrated reference books that tackle key natural history subjects in DK's uniquely visual style. Produced in collaboration with expert consultants at the Smithsonian Institution, each guide is expertly written and will give you knowledge of the natural world at your fingertips.From blue schist to blue granite, malachite to meteorites, and taconite to travertine, Nature Guide Rocks and Minerals is packed full of stunning images that reveal intricate details and unique characteristics of each rock and mineral.Using close-up photographs of every specimen and profiles containing examples from all over the world, Nature Guide Rocks and Minerals brings revealing key facets and details perfect for quick identification.
Explore fluor_doublet's 5884 photos on Flickr!
Rocks and minerals learning activities and free printables for kids.
Whether you’re a would-be prospector or just naturally curious, knowing which rocks contain gold can be something of a challenge. Here's six rocks known for containing gold.
Pyrite suns with their thin, flat, disk-like shapes and bright metallic luster, are eye-catching, popular and the rarest form of concretionary pyrite.
Constituída basicamente por óxidos de ferro II e III, a magnetita é um mineral magnético de forma cristalina isométrica e muito poderosa.
¿De dónde provienen los metales comunes? CORPORATIVO UNNE te dice Los metales comunes son producidos en su mayoría a partir de minerales en donde el principal metal recuperable constituye una alta proporción del peso del mineral. http://www.unne.com.mx/
Só porque você encontrou uma pedra que brilha como ouro não significa que esteja realmente segurando uma fortuna em sua mão. Vários outros minerais, principalmente pirita ou "ouro dos tolos", têm o mesmo brilho e aparência do ouro, mas valem muito menos. Uma forma simples de testar se a rocha, na verdade, tem ...
A piece of electrochemically grown nickel. There are no real crystals present, because the nickel was deposited layer by layer. It is a by-product of galvanising also called electroplating.
Nipomo marcasite is most famous for its flowery patterns of shiny metallic gold-colored marcasite floating in chalcedony. Learn how to cab this beautiful gem.
Find out about where the world’s biggest mineral deposits are by studying an informative mineral map. The cubes of different color and
This is a synthetic magnesium crystal cluster. It was done by distilling magnesium and the group is about 6 cm high. It is part of my personal collection of elements, from www.paulslab.com
Exploring the world of rocks and minerals, we often find ourselves fascinated by the variety of silver crystals. These natural beauties come in all shapes and s
Is it illegal to collect rocks on the side of the road and roadside ditches? Here's what I've found to be the case, as well as where you CAN collect legally.
What are the Potash Minerals? Sylvite, carnallite, and langbeinite are critical to agriculture and have enormous societal and economic importance.
Reconocimiento Macroscópico Particularidades: su brillo no se altera por oxidación si está expuesto a la atmósfera. Es insoluble en to...
Most of our modern technology is powered by a few very rare elements. Most of those elements aren't found in the United States. Until we find new solutions, we're at the mercy of other countries.
Orthoclase is the potassium-bearing end member of the potassium sodium feldspar solid-solution series. It is a major component of granite its pink crystals
