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  • Wikipedia:WikiProject Rocks and minerals - Wikipedia

    This WikiProject's goal is to define a standard infobox for using in rock and mineral entries. Eventually, after general agreement, project's focus will change to facilitating the conversion of the existing rock and mineral articles to the agreed upon format discussed in Wikipedia talk:WikiProject Rocks and minerals .

  • Mineral - Wikipedia

    OverviewDefinitionChemistryPhysical propertiesClassificationAstrobiologySee alsoGeneral references

    One definition of a mineral encompasses the following criteria: 1. Formed by a natural process (anthropogenic compounds are excluded).

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  • Rocks and Minerals (Types, Facts, etc) Cool Kid Facts

    Facts about rocks and minerals. Of the over 4000 minerals on planet Earth, only about 30 of them can be commonly found in Earth’s crust. There are seven different physical properties or characteristics used to identify and label minerals: crystal form, hardness,

  • List of U.S. state minerals, rocks, stones and gemstones ...

    51 行  Leaders of states in the U.S. which have significant mineral deposits often create a state

  • STATE FEDERAL DISTRICT OR TERMINERALROCK OR STONEGEMSTONEAlabamaHematite (1967)Marble (1969)Star blue quartz (1990)AlaskaGold-Nephrite jadeArizonaWulfenite-Turquoise (1974)ArkansasQuartzBauxite (1967)Diamond查看en.wikipedia.org的所有51行
  • Facts Rocks And Minerals Wikipidia

    Mineral - Wikipedia. Facts about rocks and minerals. Of the over 4000 minerals on planet Earth, only about 30 of them can be commonly found in Earth's crust. There are seven different physical properties or characteristics used to identify and label minerals: crystal form, hardness,

  • Sedimentary rock - Wikipedia

    Sedimentary rocks are types of rock that are formed by the accumulation or deposition of small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water at the Earth's surface. Sedimentation is the collective name for processes that cause these particles to settle in place. The particles that form a sedimentary rock are called sediment ...

  • Rock (geology) - Wikipedia

    OverviewClassificationHuman useSee alsoExternal links

    A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition and the way in which it is formed. Rocks are usually grouped into three main groups: igneous rocks, metamorphic rocks and sedimentary rocks. Rocks form the Earth's outer solid layer, the crust. Igneous rocks are formed when magma cools in the Earth's crust, or lavacools on the ground surface or t

  • Wikipedia CC-BY-SA 许可下的文字
  • Top 10 Interesting and Fun Facts About Rocks, Minerals ...

    Rocks. The study of rocks is known as geology. All types of rock fall into one of three categories:
  • List of minerals - Wikipedia

    This is a list of minerals for which there are articles on Wikipedia.. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species.Within a mineral species there may be variation in physical properties or minor amounts of impurities that are recognized by mineralogists or wider society as a ...

  • Mineral Facts for Kids KidzSearch

    Minerals form in many ways. The mineral halite, which is used as table salt, forms when water evaporates in a hot, shallow part of the ocean, leaving behind the salt it contained. Many types of minerals are made when molten rock, or magma cools and turns into a solid. Talc, a mineral that can be used to make baby powder, forms deep in Earth as high pressure and temperature causes changes in ...

  • Top 10 Interesting and Fun Facts About Rocks, Minerals ...

    Sep 04, 2019  At any point on the earth's surface, if you dig down far enough, you will come to rock. Rocks are the building blocks of the earth's crust. There are many different types of rock, and they are all composed of one or more minerals. This article explores 10 fascinating facts about rocks and minerals.

  • Mineral Facts for Kids KidzSearch

    Minerals form in many ways. The mineral halite, which is used as table salt, forms when water evaporates in a hot, shallow part of the ocean, leaving behind the salt it contained. Many types of minerals are made when molten rock, or magma cools and turns into a solid. Talc, a mineral that can be used to make baby powder, forms deep in Earth as high pressure and temperature causes changes in ...

  • Rocks and Minerals Facts - Science Struck

    Interesting Facts about Rocks and Minerals. A rock is a solid substance that occurs naturally due to geological process of solidification, sedimentation and metamorphism. Every rock is made up of various minerals. However, a mineral is an inorganic solid that has one chemical composition. The structure of a rock is not uniform.

  • List of U.S. state minerals, rocks ... - KidzSearch Wiki

    Some American states have made a state mineral, rock, stone or gemstone Not every state has an official state mineral, rock, stone and/or gemstone, however.. In the chart below the year in parentheses are the year when that mineral, rock, stone or gemstone was officially made a State symbol or emblem.

  • List of rock types - Simple English Wikipedia, the free ...

    List. Sorted by name; initial letter means Igneous, Sedimentary or Metamorphic rocks.. A I Andesite – an intermediate volcanic rock M Anthracite – a form of hard coal B S Banded iron formation – a fine grained chemical sedimentary rock composed of iron oxide minerals S Bauxite – the main ore of aluminium.It is mostly aluminium oxide. I Basalt – grey/black fine-grained rock from lava ...

  • List of U.S. state minerals, rocks, stones and gemstones ...

    Some American states have made a state mineral, rock, stone or gemstone Not every state has an official state mineral, rock, stone and/or gemstone, however.. In the chart below the year in parentheses are the year when that mineral, rock, stone or gemstone was officially made a State symbol or emblem.

  • Minerals Facts - Softschools

    Interesting Minerals Facts: Scientists have stated that there are over 3,000 different types of minerals. When two or more minerals combine together, they form a rock. The most common mineral found on Earth is called quartz. All minerals are inorganic because they are made of nonliving particles.

  • Rocks and Minerals - Scioly.org

    Rocks and Minerals is an identification event for the 2017 and 2018 seasons in both Division B and Division C in which teams use their knowledge of rocks and minerals to identify pictures/specimens and complete a written test.. The official Rocks and Minerals List includes specific rocks and minerals covered in the event. The 2018 identification list can be found here.

  • Fun Rock Facts for Kids - Information about Types of Rocks ...

    Rocks and Minerals. Enjoy our wide range of fun facts and information about different types of rocks and minerals for kids. Learn what rocks and minerals are, what the difference is, examples of rocks and minerals, the difference between igneous, sedimentary and metamorphic rocks, Mohs scale of hardness and much more.

  • Earth Science for Kids: Rocks, Rock Cycle, and Formation

    They may have different elements or mineral make up than a typical earth rock. Typically they are made up mostly of iron. Interesting Facts about Rocks. The word "igneous" comes from the Latin word "ignis" which means "of fire." Ores are rocks that include minerals that have important elements such as metals like gold and silver.

  • Rocks and Minerals for Kids Facts about Rocks DK Find Out

    Over long periods of time, many rocks change shape and type as they are transformed by wind, water, pressure, and heat. All rocks contain one or more minerals. Rocks and minerals are mined to help make things around us, from the large stone slabs used in

  • Rocks and Minerals of the USA - Kogan

    Buy Rocks and Minerals of the USA from Kogan. To a casual observer, a rock and a mineral appear to be very much alike. However, to a geologist, a rock is something much different from a mineral. A mineral is a combination of two or more elements, while a rock is a combination of 2 or more minerals. You can learn more fun facts about rocks and minerals by investing in this collection.

  • 价格: $43.23
  • sedimentary rock Definition, Formation, Examples, Facts

    Sedimentary rock, rock formed at or near the Earth’s surface by the accumulation and lithification of sediment or by the precipitation from solution at normal surface temperatures. Sedimentary rocks are the most common rocks exposed on the Earth’s surface but are only a minor constituent of the entire crust.

  • Feldspar - Wikipedia

    Compositions. This group of minerals consists of tectosilicates, silicate minerals in which silicon ions are linked by shared oxygen ions to form a three-dimensional network.Compositions of major elements in common feldspars can be expressed in terms of three endmembers: . potassium feldspar (K-spar) endmember K Al Si 3 O 8, albite endmember NaAlSi 3 O 8, ...

  • Earth Science for Kids: Rocks, Rock Cycle, and Formation

    They may have different elements or mineral make up than a typical earth rock. Typically they are made up mostly of iron. Interesting Facts about Rocks. The word "igneous" comes from the Latin word "ignis" which means "of fire." Ores are rocks that include minerals that have important elements such as metals like gold and silver.

  • Rocks and Minerals for Kids Facts about Rocks DK Find Out

    Over long periods of time, many rocks change shape and type as they are transformed by wind, water, pressure, and heat. All rocks contain one or more minerals. Rocks and minerals are mined to help make things around us, from the large stone slabs used in

  • Rocks and Minerals of the USA - Kogan

    Buy Rocks and Minerals of the USA from Kogan. To a casual observer, a rock and a mineral appear to be very much alike. However, to a geologist, a rock is something much different from a mineral. A mineral is a combination of two or more elements, while a rock is a combination of 2 or more minerals. You can learn more fun facts about rocks and minerals by investing in this collection.

  • 价格: $43.23
  • sedimentary rock Definition, Formation, Examples, Facts

    Sedimentary rock, rock formed at or near the Earth’s surface by the accumulation and lithification of sediment or by the precipitation from solution at normal surface temperatures. Sedimentary rocks are the most common rocks exposed on the Earth’s surface but are only a minor constituent of the entire crust.

  • Feldspar - Wikipedia

    Compositions. This group of minerals consists of tectosilicates, silicate minerals in which silicon ions are linked by shared oxygen ions to form a three-dimensional network.Compositions of major elements in common feldspars can be expressed in terms of three endmembers: . potassium feldspar (K-spar) endmember K Al Si 3 O 8, albite endmember NaAlSi 3 O 8, ...

  • SUMMARY NOTES ON MINERALS, ROCKS, AND RESOURCES

    C. Rocks - any collection of 1 or more minerals Facts about rocks: 1. Most rocks have a number of minerals in common 2. Most rocks are heterogeneous - a mixture of different minerals 3. Rocks are divided into 3 major classes on the basis of a genetic classification system a system of classification based on how something forms - a system based ...

  • (ROCKS vs MINERALS) What IS The Difference Between Rocks ...

    Rocks vs Minerals (According To Wikipedia) According to Wikipedia, "A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure formed by geological processes. A rock is an aggregate of one or more minerals whereas a rock may also include organic remains and mineraloids.

  • Rock and Mineral Weekend 2019 Morris Museum

    Nov 29, 2019  Rock and Mineral Weekend Kick-0ff Friday November 29, 2019, 12:00PM-2:00PM. Get an early start to Rock and Mineral Weekend! Learn about the natural world in our Rock and Mineral Gallery, expand your rock collection by shopping with our vendors, and enjoy Touch the Music with Claudia Lemmerz.. Rock and Mineral Weekend

  • Geology of New Zealand - Wikipedia

    New Zealand's basement rocks range in age from mid-Cambrian in north-west Nelson to Cretaceous near Kaikoura.These rocks were formed in a marine environment before New Zealand separated from Gondwana. They are divided into the "Western Province", consisting mainly of greywacke, granite and gneiss, and an "Eastern Province", consisting mainly of greywacke and schist.

  • Facts about Minerals

    If the word “mineral” makes you think of rocks, you’re right! Minerals are substances like calcium, phosphorus, iron, and zinc that are found in rocks and the soil. They also are needed for optimal nutrition. There are 16 different minerals that are known to be needed in our diets. Several other minerals may be needed in very small amounts.

  • rock Definition, Characteristics, Classification, Types ...

    Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form recognizable and mappable volumes. Rocks are commonly divided into three major classes according to the processes that resulted in their formation. These classes are (1) igneous rocks, which have solidified from ...

  • Sand - Wikipedia

    Sand is a granular material composed of finely divided rock and mineral particles. It is defined by size, being finer than gravel and coarser than silt.Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles by mass.. The composition of sand varies, depending on the local rock sources and conditions, but the most common ...

  • Geology Facts for Students - KidInfo

    Learn Facts about the Study of Our Earth and the Earth's Interior and Exterior Structure, Cave Facts, Earthquake Facts, Landform Facts, Tsunami Facts, Volcano Facts, Rock Facts, Mineral Facts, Landform Facts, NaturalGeological Hazards and the Rock Cycles. Play Educational Interactive Geology Learning Games

  • Facts About Geodes Sciencing

    Often found in North America, Central America, South America and Namibia, and a common sight in museum gift shops, geodes are rock formations that involve a variety of minerals. At its most basic, geodes are rocks with an interior cavity lined with another mineral. The name geode comes from the Greek word “geode” ...

  • rock Definition, Characteristics, Classification, Types ...

    Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form recognizable and mappable volumes. Rocks are commonly divided into three major classes according to the processes that resulted in their formation. These classes are (1) igneous rocks, which have solidified from ...

  • Sand - Wikipedia

    Sand is a granular material composed of finely divided rock and mineral particles. It is defined by size, being finer than gravel and coarser than silt.Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles by mass.. The composition of sand varies, depending on the local rock sources and conditions, but the most common ...

  • Geology Facts for Students - KidInfo

    Learn Facts about the Study of Our Earth and the Earth's Interior and Exterior Structure, Cave Facts, Earthquake Facts, Landform Facts, Tsunami Facts, Volcano Facts, Rock Facts, Mineral Facts, Landform Facts, NaturalGeological Hazards and the Rock Cycles. Play Educational Interactive Geology Learning Games

  • Facts About Geodes Sciencing

    Often found in North America, Central America, South America and Namibia, and a common sight in museum gift shops, geodes are rock formations that involve a variety of minerals. At its most basic, geodes are rocks with an interior cavity lined with another mineral. The name geode comes from the Greek word “geode” ...

  • What is the difference between a rock and a mineral?

    A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter.

  • Pocket Genius: Rocks and Minerals: Facts at Your ...

    Profiling nearly 200 types of rocks and minerals from volcanic rocks and granite to sparkling diamonds and explosive sulfur, Pocket Genius: Rocks and Minerals digs deep beneath the surface, informing young readers what each rock is made of, how they are formed and what they are used for, how to be a rock collector, and how to identify rocks and minerals.

  • Rocks Information and Facts National Geographic

    To geologists, a rock is a natural substance composed of solid crystals of different minerals that have been fused together into a solid lump. The minerals may or may not have been formed at the ...

  • Metamorphic rock - Simple English Wikipedia, the free ...

    Metamorphic minerals are those that form only at the high temperatures and pressures of metamorphism. These minerals, known as index minerals, include sillimanite, kyanite, staurolite, andalusite, and some garnet. Other minerals, such as olivines, pyroxenes, amphiboles, micas, feldspars, and quartz may be found in metamorphic rocks. They are ...

  • Sand Facts for Kids KidzSearch

    Sand is a mixture of very small pieces of different rocks or minerals.It is the same minerals from which those pieces are broken, such as granite and feldspar.Sand is gritty to touch. It is a naturally occurring granular material composed of finely divided rock and mineral particles.

  • The Arkenstone - iRocks Fine Minerals from Robert ...

    Explore this variety of fine minerals for sale from assorted localities in China, which maintains a wealth of variety in mineral specimens. These represent a selection of old finds from inventory here, acquisitions from respected collections (including selections from Dr. Stephen Smale), and new finds from our most recent acquisition trips in ...

  • Rocks Facts for Kids - Softschools

    Rocks Facts Rocks Rocks Facts . Igneous Rocks Facts Metamorphic Rocks Facts Sedimentary Rocks Facts Sandstone Facts Limestone Facts Marble Facts Obsidian Rock Facts Andesite Facts Basalt Facts Gabbro Facts Granite Facts Pegmatite Facts Peridotite Facts Pumice Facts Rhyolite Facts Scoria Facts Amphibolite Facts Tuff Facts Hornfels Facts Iron Ore ...

  • Earth's crust - Simple English Wikipedia, the free ...

    Composition. Igneous rocks make up over 90% of Earth's crust by volume. p47 This is not noticeable because they are mostly covered by sedimentary and metamorphic rocks.. A single family of silicates, the feldspars, account for about half of the material in the crust (60% by weight), and quartz is a sizeable proportion of the rest. Other common minerals are mica and hornblende.

  • Feldspar Facts for Kids KidzSearch

    Feldspar is the name of a group of rock-forming minerals that make up as much as 60% of the Earth's crust.. Feldspar forms crystals from magma in both intrusive and extrusive rocks, and they can also happen as compact minerals, as veins, and are also present in many types of metamorphic rock.Rock formed entirely of plagioclase feldspar is known as anorthosite.

  • Pyrite Facts for Kids KidzSearch

    The mineral pyrite, or iron pyrite, is an iron sulfide with the formula Fe S 2.This mineral's metallic lustre and pale-to-normal, brass-yellow colour have earned it the nickname fool's gold because of its resemblance to gold. The term pyrite may also be used for some other sulphides such as copper sulphide.. History. Pyrite is the most common of the sulphide minerals.