Not all rocks are made up of minerals, however. Obsidian (a natural type of glass) is made up of silicon and oxygen but doesn't have a characteristic structure so it isn't a mineral. Coal is a rock made out of fossilized organic matter, not minerals.
www.madsci.org/posts/archives/2000-10/970530622.Es.r.ht... www.madsci.org/posts/archives/2000-10/970530622.Es.r.html
Geology question: How are rocks and minerals different? Minerals are naturally occurring solids, with a definite chemical formula and a crystalline structure. Rocks are composed of one or more minerals. ... Define rocks minerals? What minerals makes rocks? Matters minerals and rocks? Rocks must contain minerals?
wiki.answers.com/Q/How_are_rocks_and_minerals_different wiki.answers.com/Q/How_are_rocks_and_minerals_different
Distinguish between rocks and minerals? How is a rock different form a mineral? Distingiush between Rocks and Minerals? How is a mineral different then a rock? What best defines a mineral and a rock? What is the same about a mineral and rock?
wiki.answers.com/Q/What_is_the_difference_between_a_roc... wiki.answers.com/Q/What_is_the_difference_between_a_rock_and_a_mineral
Learning that minerals are different from rocks. ... Comparing minerals and rocks. ... Students list the difference between rocks and minerals.
www.msnucleus.org/membership/html/k-6/rc/rocks/1/rcr1_1... www.msnucleus.org/membership/html/k-6/rc/rocks/1/rcr1_1a.html
What are minerals? ... How are organic and chemical sedimentary rocks similar to clastic sedimentary rocks? How do they differ? ... How are metamorphic rocks similar to igneous and/or sedimentary rocks? How do they differ?
www.westirondequoit.org/ihs/Science/EarthScience/rocksa... www.westirondequoit.org/ihs/Science/EarthScience/rocksand.htm
Minerals are homogeneous, naturally occurring, inorganic solids. Each mineral has a definite chemical composition and a characteristic crystalline structure. A mineral may be a single element such as copper (Cu) or gold (Au), or it may be a compound made up of a number ... Rocks are made up of one or more minerals.
www.rocksandminerals.com/rockcycle.htm www.rocksandminerals.com/rockcycle.htm
We have lots of great information about rocks, minerals, history and mining available and we will be adding new items regularly. Use the buttons above to return to the menu page or to check out our line of earth science related products for use in the classroom or for your collection.
www.rocksandminerals.com/minfind.htm www.rocksandminerals.com/minfind.htm
Mineralogists (scientists who study minerals) use the term "mineral" for a substance that has all four of the following features: It must be found in nature. It must be made up of inorganic substances (substances that were never a...
http://www.enotes.com/science-fact-finder/metals-other-...
Difference between rocks & minerals ... It is not easy to tell the difference between rocks & minerals because there are so many kinds of them. It takes years of study to be able to accurately identify a mystery rock and even then rockhounds want to know where the specimen came from.
www.rocksforkids.com/RFK/identification.html www.rocksforkids.com/RFK/identification.html
The term "rock collection" is usually misused for "mineral collection". Although a few people collect rocks, the amount of people collecting minerals is much greater...
www.minerals.net/resource/what_is_.htm www.minerals.net/resource/what_is_.htm