萤石（Fluorite）又称氟石，等轴晶系，结晶为八面体和立方体。主要成分是氟化钙（CaF₂）。晶体呈玻璃光泽，纯净的萤石为无色，常见的颜色有浅绿色至深绿色、蓝、绿蓝、黄、酒黄、紫、紫罗兰色、灰、褐、玫瑰红、深红等。质脆，莫氏硬度为4，熔点1360℃，具有完全解理的性质。部 …

Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF 2.It belongs to the halide minerals.It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon.. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 4 as fluorite. [6]Pure fluorite is colourless and transparent, both in visible ...

Fluorite: This photo shows several beautiful blue cubic crystals of fluorite with occasional pyrite crystals on their faces. Fluorite is commonly found as cubic crystals, but blue crystals are unusual. The blue color can be caused by trace amounts of yttrium substituting for calcium in the fluorite crystal structure.

2023年9月9日 · Fluorite, also known as fluorspar, is a widely occurring mineral found in various geological settings around the world. It is a colorful and highly valued mineral due to its vibrant fluorescence when exposed to ultraviolet light, which gives it its name. Fluorite has a fascinating range of physical properties and has numerous industrial, scientific, and ornamental applications.

Fluorit, auch unter der bergmännischen Bezeichnung Flussspat oder seiner chemischen Bezeichnung Calciumfluorid bekannt, ist das Calciumsalz der Flusssäure und ein sehr häufig vorkommendes Mineral aus der Mineralklasse der einfachen Halogenide.

2025年2月1日 · fluorite, common halide mineral, calcium fluoride (CaF 2), which is the principal fluorine mineral.It is usually quite pure, but as much as 20 percent yttrium or cerium may replace calcium.Fluorite occurs most commonly as a glassy, many-hued vein mineral and is often associated with lead and silver ores; it also occurs in cavities, in sedimentary rocks, in pegmatites, and in hot-spring areas.

ID Species Reference Link Year Locality Pressure (GPa) Temp (K) 0008645: Fluorite: Speziale S, Duffy T S (2002) Single-crystal elastic constants of fluorite (CaF2) to 9.3 GPa Physics and Chemistry of Minerals 29 465-472 2002: 0: 293: 0008646: Fluorite: Speziale S, Duffy T S (2002) Single-crystal elastic constants of fluorite (CaF2) to 9.3 …

Fluorite is the only mineral for which significant quantities of the important element fluorine can be obtained. Fluorite is also used as a flux in the manufacture of steel and other metals to eliminate impurities.There is a great demand for Fluorite in the optics field, and to meet it synthetic crystals are grown to produce special lenses.

Fluorite | CaF2 | CID 24617 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards ...

– fluorit tiež výborne pomáha pri učení: dokáže spracovať a usporiadať informácie, zvyšuje koncentráciu a rýchlosť myslenia – pomáha stratenej rovnováhe, pri uvoľnení duševného napätia, bezradnosti – zlepšuje citový život, prináša do duše mier a pokoj – zostruje zmyslové vnemy, v starobe zjasňuje rozum a ...