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What are facts about feldspar? - Answers

Feldspar is the name of a group of minerals. They are monoclinic, triclinic, orthorhombic, and hexagonal silicates. Feldspars are common, probably the most common mineral on Earth, being a ...

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Feldspar | Minerals Education Coalition
Division of Geology and Mineral Resources - Feldspar

Feldspar is one of the most abundant minerals in the earth's crust. The feldspars include a range of compositions with a general chemical formula of xAl(Al,Si) 3 O 8 where x can be sodium (Na) and/or calcium (Ca) and/or potassium (K). They are primarily used in glass and ceramics making.

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Earth Science for Kids: Minerals - Ducksters

Common minerals include quartz, feldspar, bauxite, cobalt, talc, and pyrite. Some minerals have a different colored streak than the color of their body. A gem is a piece of rare mineral such as diamond, emerald, or sapphire that is cut and polished to shine. Certain minerals are needed by our bodies so we can grow healthy and strong. Activities

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Feldspar | Encyclopedia

Feldspar. Feldspar is the most common mineral on Earth, constituting approximately 60% of the crust.It forms directly from cooling magma and is a major component of granite and most other igneous rocks.. The term feldspar actually covers a whole family of minerals, all of which consist of a framework of aluminum, oxygen, and silicon atoms plus an additive, usually potassium, sodium, or calcium.

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Feldspars|| Nature Search || TVNXT Kids - YouTube

Sep 13, 2017 · Feldspars, an abundant rock-forming mineral typically occurring as colourless or pale-coloured crystals and consisting of alumino silicates of potassium, sodium, and .

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Activity 20: Testing the Hardness of Common Minerals .

Activity 20: Testing the Hardness of Common Minerals Maine Geological Survey Student Sheet Purpose: To learn how to determine the hardness of a mineral, a useful skill in mineral identification. Materials: You will need one specimen of each of the following minerals: quartz, calcite, feldspar, unknown #1, and unknown #2.

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Mineral Properties, Photos, Uses and Descriptions

Home » Minerals. What Are Minerals? Minerals are materials that meet five requirements. They are: 1) naturally occurring, 2) inorganic, 3) solids, 4) with a definite chemical composition, and, 5) an ordered internal structure.

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Mineral Facts for Kids - kids.kiddle

Mineral facts for kids. Kids Encyclopedia Facts "Mineral" redirects here. For the town in the US state of ia, see Mineral, ia. An assortment of minerals. Minerals are substances that are formed naturally in the Earth. ... Quartz, feldspar, and mica are common silicates.

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Feldspar - 4Teachers

Plagioclase feldspar includes oligoclase and anorthite. Potassium feldspar includes microcline and orthoclase. Both types of feldspar are mined in Italy, Turkey, and China. Feldspar can also be found in the United States, or more specifically North Carolina. The colors of feldspar are mainly pink, white, colorless, gray, or brown.

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Feldspar - Wikipedia

The name feldspar derives from the German Feldspat, a compound of the words Feld, "field", and Spat meaning "a rock that does not contain ore". The change from Spat to -spar was influenced by the English word spar, meaning a non-opaque mineral with good cleavage. Feldspathic refers to materials that contain feldspar. The alternate spelling, felspar, has fallen out of use.

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Kid Facts - Fun daily facts for kids: Feldspar

The most common type of mineral on the earth is called feldspar. The word feldspar comes from the German language and means "field rock that does not have ore". Ore is something in rocks that can be used to make metal. Over half of the earth's crust is made up of feldspar. The crust is the outer part of the planet earth. (from: wikipedia ...

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Minerals - Geology (U.S. National Park Service)

Potassium feldspar (or alkali feldspar or K-spar) is a member of the feldspar mineral family and is a silicate mineral. It contains a considerable amount of potassium and is typically pink-salmon to white in color. Potassium feldspar has a hardness of 6.

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Maine Feldspar Quarry, East Mount Apatite Mining District ...

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin Co., Maine, USA : Granite pegmatite. Eastern Mt. Apatite group - Oxford pegmatite field. The Maine Feldspar Co. leased the area in 1902 which resulted in the largest commercial mining excavation at Mount Apatite. ...

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Feldspar | Encyclopedia

Feldspar. Feldspar is the most common mineral on Earth, constituting approximately 60% of the crust.It forms directly from cooling magma and is a major component of granite and most other igneous rocks.. The term feldspar actually covers a whole family of minerals, all of which consist of a framework of aluminum, oxygen, and silicon atoms plus an additive, usually potassium, sodium, or calcium.

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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.

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Feldspar | Earth Sciences Museum | University of Waterloo

Back to Rocks and Minerals Articles Kathy Feick x Al(Al,Si)3O8 ("x" can be sodium and/or calcium and/or potassium) Feldspar was officially given its name by Johan Gottschalk Wallerius in 1747. It is a contraction of the longer name fieldspar as some early specimens were found in fields. The term spar is a generic term used to refer to any non-metallic mineral with a vitreous

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Potassium Feldspar - Characteristics, Properties, and ...

Jul 25, 2017 · Potassium feldspar falls in the group of aluminosilicate minerals which have a general formula of AT4O8, where A is potassium, T is silicon and aluminum. The silicon to aluminum ratio (Si: Al) ranges from 3:1 to 1:1. K-feldspar contains a group of other minerals that share similar chemical composition but have different physical structures.

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what are some interesting facts about feldspar? | Yahoo ...

May 10, 2012 · Best Answer: First of all, feldspar is not a mineral. Feldspar is a blanket term for a very large group of minerals which are extremely abundant on Earth. About 60% of the crust is various feldspars. These minerals (the feldspars within "feldspar") have numerous uses from scouring solutions to glassware. I ...

Kids.Net.Au - Encyclopedia > Feldspar

Feldspar is the name of an important group of rock-forming minerals which make up perhaps as much as 60% of the Earth's crust. They crystallize from magma in both intrusive and extrusive rocks; they occur as compact minerals, as veins, and are developed in many types of metamorphic rock. They may also be found in many types of sedimentary rock.

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