Most pieces of agate do not have "eyes," so stones that do have them are especially prized by collectors. Natural glasses: Obsidian is a natural glass formed during an eruption of silica-rich magma. Shown here
What does carbon combine with? Why do calcium carbonate and marble have the same chemical compound? What is the formula for ammonium carbonate ? Which chemical element is the common constituent of coal? Which chemical elements tend to make minerals dark?
If you’re looking for a workhorse mineral filler, calcium carbonate will be happy to do the job. It’s a relatively inexpensive material, one that's widely used at large percentages to reduce the cost of a compound. Mined from marble or limestone, it’s often milled to create ground ca...
The unusual composition of the Dolomites, heavy in calcium carbonate and magnesium carbonate, are the scientific explanation for the marvelous violet colors of the peaks at sunset and sundown—but the locals prefer to just think of it as magic. Enrosadira, the charming and romantic Ladin term ...
They hope to launch a balloon equipped with propellers and sensors that would spray a tiny amount of calcium carbonate in the stratosphere. The aircraft would then fly through the plume and attempt to measure things like how broadly the particles disperse, how they interact with other gases...
What does the milk of magnesia do? Milk of magnesia is used as an antacid or a laxative. Milk of magnesia is alkaline, which means that it would neutralize any acidic substance encountered. Hence, it is an excellent antacid. It neutralizes excess stomach acid or hydrochloric acid. The hydro...
What does marine bacteria do?Question:What does marine bacteria do?Microbes.Microbes are tiny organisms that live in a specific environment. Marine microbes live in marine environments and can only be seen under a microscope. Marine microbes include bacteria, archaea, fungi, or viruses; microbes la...
An x-ray or CTmay show thinned bones or a fracture. You may be given contrast liquid to help the bones show up better in the pictures. Tell the healthcare provider if you have ever had an allergic reaction to contrast liquid. Do not enter the MRI room with anything metal. Metal can ...
You've heard thatcalciumprotects your bones and that your glass of milk is loaded with it, but what do you really know about this essential nutrient? Most people may not realize thatcalciumis the most abundant mineral in the body. Or that calcium does far more than just strengthen your bon...
What do crabs eat in the coral reef?Coral Reefs:Coral belong in the phylum Cnideria and are formed by colonies of coral polyps. The polyps are held together by calcium carbonate. Coral reefs can be found in tropical oceans near the equator. Coral reefs are homes to many marine life, ...