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apatite mineral britannica

Apatite is a group of phosphate minerals with high concentrations of OH F Cl or ions respectively in the crystal Apatite is characteristic of biological systems It is one of a few minerals produced and used by biological microenvironmental systems It hardness defines 5 on the Mohs scale

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  • Apatite Mineral Information Page Mineralminers

    Apatite Mineral Information Page Mineralminers

    Jun 11 2020 apatite background information apatite is the name given to a group of three related minerals the most common of which is fluorapatiteca 5 po 4 3 f and more rarely clorapatiteca 5 po 4 3 cl and hydroxylapatiteca 5 po 4 3 oh a complete solid solution series exists between these three with f cl and oh substituting for each other

  • Apatite Mardani Fine Minerals

    Apatite Mardani Fine Minerals

    Apatite is a group of phosphate minerals they get their name from the greek word apatein which means to deceive or mislead because of their similarity to other minerals such as olivine peridot and beryl apatite specimens come in a variety of colors and can range in translucency the best examples can be very gemlike in appearance

  • Apatite Mineral And Healing Properties

    Apatite Mineral And Healing Properties

    Blue apatite is a prized mineral specimen by rock collectors for its vibrant royal blue color most of the apatite rock mined throughout the world is used to produce phosphate fertilizer it is also used to produce animal feed supplements phosphoric acid elemental phosphorous and phosphate compounds for the chemical industry

  • Physical Properties Of Rock Phosphate

    Physical Properties Of Rock Phosphate

    Apatite its uses as a mineral and gemstoneapatite is the name of a group of phosphate minerals with similar chemical compositions and physical properties they

  • Apatite Group Glossary Of Terms

    Apatite Group Glossary Of Terms

    The apatite group is compromised of minerals that are isomorphous hexagonal phosphates the members of this group intermingle with one another within limits the most common member is apatite which is a group in itself containing three minerals apatitecaf ca 5 po 4 3 f apatitecacl

  • Apatite Collectors Edge Minerals

    Apatite Collectors Edge Minerals

    The nagar area of pakistans hunza valley has produced what are probably the worlds finest pink apatite crystals typically on an attractive bed of bladed muscovite crystals this is an outstanding large example with lustrous saturated pink apatite crystals to over 4 cm with glassy bright faces and great placement on the muscovite matrix

  • 1911 Encyclop230dia Britannicaphosphates Wikisource The

    1911 Encyclop230dia Britannicaphosphates Wikisource The

    Mineral phosphatesthose varieties of native calcium phosphate which are not distinctly crystallized like apatite qv but occur in fibrous compact or earthy masses often nodular and more or less impure are included under the general term phosphoritethe name seems to have been given originally to the spanish phosphorite probably because it phosphoresced when heated

  • Sulfur Mineral Native Element Nutrient Its Uses And

    Sulfur Mineral Native Element Nutrient Its Uses And

    As a mineral sulfur is a bright yellow crystalline material it forms near volcanic vents and fumaroles where it sublimates from a stream of hot gases small amounts of native sulfur also form during the weathering of sulfate and sulfide minerals the largest accumulations of mineral sulfur are

  • Minerals And Rocks Encyclopaedia Britannica Educational

    Minerals And Rocks Encyclopaedia Britannica Educational

    Title from data sheet second ed of the 1957 motion picture collaborator john sampson white investigates the structure and composition of minerals and describes methods and instruments used by mineralogists in analyzing some of the nearly 3000 identified mineral species

  • Hydroxylapatite Formula Properties And Uses Life Persona

    Hydroxylapatite Formula Properties And Uses Life Persona

    Encyclop dia britannica 1998 origins of hydroxyapatite this mineral was called hydroapatite in 1856 by augustin alexis damour from greek apatao as it was often confused with other minerals eg beryl milarite plus the prefix hydro to denote that it was rich in water as hydroxyl

  • Nepheline Syenite 1911 Encyclopedia Britannica Bible

    Nepheline Syenite 1911 Encyclopedia Britannica Bible

    Entry for nepheline syenite 1911 encyclopedia britannica one of 8 bible encyclopedias freely available this resource contained over 40 million words in nearly 40000 articles written by 1500 respected authors

  • Definitions Of Apatite Onelook Dictionary Search

    Definitions Of Apatite Onelook Dictionary Search

    Apatite stammtisch beau fleuve acronyms home info apatite 1911 edition of the encyclopedia britannica home info apatite free dictionary home info apatite mnemonic dictionary home info apatite wordnet 17 vocabulary helper home info apatite lookwayup translating dictionarythesaurus home info

  • Apatite Enrichment By Rare Earth Elements A Review Of The

    Apatite Enrichment By Rare Earth Elements A Review Of The

    Mar 01 2019 although the discovery of apatite in mineral form was in 1827 the naming and renaming of the species and sub species has been ongoing for the last 190 years according to the international mineralogical association commission on new minerals nomenclature and classification ima cnmnc currently there are only three minerals of the apatite group chlorapatite fluorapatite and

  • Insight Into Biological Apatite Physiochemical Properties

    Insight Into Biological Apatite Physiochemical Properties

    Biological apatite is an inorganic calcium phosphate salt in apatite form and nano size with a biological derivation it is also the main inorganic component of biological hard tissues such as bones and teeth of vertebrates consequently biological apatite has a wide application in dentistry and orthopedics by using as dental fillers and bone substitutes for bone reconstruction and regeneration

  • Blue Apatite Meanings Properties And Powers The

    Blue Apatite Meanings Properties And Powers The

    Blue apatite is a form of the mineral group that was named apatite in 1786 although the strict definition of this mineral formation was not determined as it is used today until 1860 the mineral apatite comes from a greek word meaning to deceive because of its unusual origins

  • Mineral Students Britannica Kids Homework Help

    Mineral Students Britannica Kids Homework Help

    Thank you for subscribing be on the look out for the britannica for parents newsletter to deliver insightful facts for the family right to your inbox

  • Maine Feldspar Quarry East Mount Apatite Mining District

    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

  • Apatite Meaning Amp Healing Properties Energy Muse

    Apatite Meaning Amp Healing Properties Energy Muse

    Made from a common group of minerals containing a calcium phosphate base apatite reminds us that truly knowing oneself is the key to opening up the doors of the universe a place where anything is possible speaking of possibilitiesheres the game changer in harnessing the full potential of apatite

  • Apatite Stone Crusher

    Apatite Stone Crusher

    Turquoise is an opaque bluetogreen mineral that is a hydrated phosphate of copper and aluminium with the chemical formula cu al 6 po 4 4 8 4h 2 o it is rare get price calcite mineral britannicafoamconcreteindia calcite mineral stoneiiemexico calcite mineral britannica

  • Geology 110 Nonsilicates Auburn University

    Geology 110 Nonsilicates Auburn University

    Nonsilicates are minerals other than silicate minerals 2 less complex than silicates 3 economically important b ore mineral 1 minerals that can be profitably extracted 2 often contain impurities c impurities 1 do not constitute part of the mineral formula apatite ca 5 fclohpo 4 3

  • 1911 Encyclop230dia Britannicapetrology Wikisource The

    1911 Encyclop230dia Britannicapetrology Wikisource The

    Apr 20 2018 1911 encyclop dia britannica volume 21 clarke has calculated the relative abundance of the principal rockforming minerals with the following results apatite 06 titanium minerals 15 quartz 120 felspars 595 biotite 38 hornblende and pyroxene 168 total 942 this however can only be a rough approximation

  • 1911 Encyclop230dia Britannicaphlogopite Wikisource The

    1911 Encyclop230dia Britannicaphlogopite Wikisource The

    Phlogopite a mineral belonging to the group of micas q vit is a magnesium mica differing from biotite in containing only a little iron the chemical formula is hkmgf 3 mg 3 alsio 4 3it crystallizes in the monoclinic system but the crystals are roughly developed

  • 1911 Encyclop230dia Britannicascheelite Wikisource The

    1911 Encyclop230dia Britannicascheelite Wikisource The

    Dec 24 2012 1911 encyclop dia britannica scheelite a mineral consisting of calcium tungstate cawo 4 it was early known as tungsten meaning in swedish heavy stone and is the mineral in which k w scheele discovered tungstic acid hence the name scheelite scheelite usually occurs with topaz fluor apatite wolframite ampc

  • Apatite Mineral Britannica

    Apatite Mineral Britannica

    Apatite any member of a series of phosphate minerals the worlds major source of phosphorus found as variously coloured glassy crystals masses or nodules if not for its softness mohs hardness 5 compared with the 7 to 9 of most gems apatite would be a popular gemstone much of the material

  • Carbonateapatite Mineral Britannica

    Carbonateapatite Mineral Britannica

    Apatite any member of a series of phosphate minerals the worlds major source of phosphorus found as variously coloured glassy crystals masses or nodulesif not for its softness mohs hardness 5 compared with the 7 to 9 of most gems apatite would be a popular gemstone much of the

  • Moroxite Mineral Britannica

    Moroxite Mineral Britannica

    Moroxite clear blue variety of the mineral apatite apatite any member of a series of phosphate minerals the worlds major source of phosphorus found as variously coloured glassy crystals masses or nodulesif not for its softness mohs hardness 5 compared with the 7 to 9 of most gems apatite would be a popular gemstone much of the

  • 1911 Encyclop230dia Britannicaapatite Wikisource The

    1911 Encyclop230dia Britannicaapatite Wikisource The

    Apatite a widely distributed mineral which when found in large masses is of considerable economic value as a phosphate as a mineral species it was first recognized by a g werner in 1786 and named by him from the greek to deceive because it had previously been mistaken for other minerals such as beryl tourmaline chrysolite amethyst ampc

  • Apatite Students Britannica Kids Homework Help

    Apatite Students Britannica Kids Homework Help

    The mineral apatite is a phosphate of calcium and fluorine please enter a valid email address to share with more than one person separate addresses with a comma

  • Collophane Mineral Britannica

    Collophane Mineral Britannica

    Collophane massive cryptocrystalline apatite composing the bulk of fossil bone and phosphate rock commonly carbonatecontaining fluorapatite or fluorian hydroxylapatite hornlike concretions having a grayishwhite yellowish or brown colour are common for detailed physical properties see phosphate mineral

  • Fluorapatite Mineral Britannica

    Fluorapatite Mineral Britannica

    Fluorapatite common phosphate mineral a calcium fluoride phosphate ca5po43f it occurs as minute often green glassy crystals in many igneous rocks and also in magnetite deposits hightemperature hydrothermal veins and metamorphic rocks it also occurs as collophane in marine deposits