Do you have a rock hound in your family? These geology apps can help him recognize and learn about rocks and minerals.
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.
Chert is a distinct rock type that comes in many different variations and shades of colors, including some familiar gemstones.
Chert is a distinct rock type that comes in many different variations and shades of colors, including some familiar gemstones.
Want to impress your friend with your rock knowledge? Here are 30 types of rocks that you ought to know to get you started.
Thundereggs! Kind of like geodes, but with one major difference. If you want to learn more about thundereggs, then here's everything you'll need to know.
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.
Shale is the most common sedimentary rock, accounting for 70 percent of rock found in the Earth's crust — learn its geology, composition, and uses.
Multiple gemstones are found in the state of Idaho ranging from fire opals in the Southeast to star garnets in Northern Idaho.
What are Thundereggs? and why are they so special?. A Thunder Egg "Thunderegg" is a nodule-like rock, similar to a filled geode, that is formed within rhyol
Geodes are the ultimate hidden treasure! And to find one yourself is exhilerating. Learn what geodes are, how they're formed, and WHERE TO FIND GEODES!
Opal Opal is a hydrated amorphous form of silica SiO₂·nH₂O ; its water content may range from 3 to 21% by weight, but is usually between 6 ...
Extraordinary rock formation seen at Saltstraumen, near Bodo in northern Norway
Opals come in various types, each with its own unique characteristics. Opal is a hydrated amorphous form of silica SiO₂·nH₂O ; its water co...
Many visitors are unaware that there are some amazing hidden gems in Sri Lanka, where these places are incredibly beautiful and fascinating.
Some thoughts about Phos (manga spoilers)
