Feldspar - Wikipedia
网页Feldspar (/ ˈfɛl (d) ˌspɑːr / FEL (D)-spar; sometimes spelled felspar) is a group of rock-forming aluminium tectosilicate minerals, also containing other cations such as sodium, calcium, potassium, or barium. [3] .
Feldspar | Properties, Uses, Types, & Facts | Britannica
网页2024年8月6日 · feldspar, any of a group of aluminosilicate minerals that contain calcium, sodium, or potassium. Feldspars make up more than half of Earth’s crust, and professional literature about them constitutes a large percentage of the literature of mineralogy.
Feldspar Group Minerals | Types, Properties, Occurrence, Uses
网页2023年4月23日 · Feldspar is the name of a large organization of rock-forming silicate minerals that make up over 50% of Earth’s crust. They are discovered in igneous, metamorphic, and sedimentary rocks in all components of the sector. Feldspar minerals have very comparable structures, chemical compositions, and bodily properties.
Feldspar minerals make up over 50% of Earth's crust. - Geology.com
网页Feldspar minerals occur in igneous, metamorphic and sedimentary rocks throughout the world. They are used to make glass, ceramics, paint, plastics, rubber and many other products. Moonstone, labradorite, sunstone and amazonite are examples of …
Feldspar Distinctions, Characteristics, and Identification - ThoughtCo
网页2019年8月10日 · Feldspars are a group of closely related minerals that together are the most abundant mineral in the Earth's crust. A thorough knowledge of the feldspars is what separates geologists from the rest of us.
Feldspar minerals: properties, types, uses - ZME Science
网页2024年1月21日 · What is Feldspar? Feldspar refers to a group of aluminum tectosilicate minerals. It contains a mixture of sodium, potassium, calcium, and barium, arranged in a variety of crystal types. Feldspar...
Feldspar - Mineral Composition, Uses, Types | Britannica
网页2024年8月6日 · Feldspar - Mineral Composition, Uses, Types: All the rock-forming feldspars are aluminosilicate minerals with the general formula AT4O8 in which A = potassium, sodium, or calcium (Ca); and T = silicon (Si) and aluminum (Al), with a …
Search - 6.4.3: Feldspars - Geosciences LibreTexts
网页2022年12月16日 · Feldspars are the most abundant minerals in Earth’s crust, in part because they contain six of the seven most abundant elements in the crust. They are widespread and are essential minerals in many igneous, …
Feldspar - Mineralogy, Identification, Uses | Britannica
网页2024年8月6日 · Feldspars occur in all classes of rocks. They are widely distributed in igneous rocks, which indicates that they have formed by crystallization from magma.
feldspar - FactMonster
网页feldspar fĕlˈspär [ key], an abundant group of rock-forming minerals which constitute 60% of the earth's crust. Chemically the feldspars are silicates of aluminum, containing sodium, potassium, iron, calcium, or barium or combinations of these elements.
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