Infobox mineral name Armalcolite category Titanium mineral boxwidth image Armalcolite Wat Lu Mine, Mogok, Myanmar.jpg caption Armalcolite Grain size 5 mm formula Mg,Fe sup 2 sup Ti sub 2 sub O sub 5 sub ... doclib hom armalcolite.pdf title Armalcolite publisher Handbook of Minerals accessdate 2009 08 07 ref ref name mindat cite web url http www.mindat.org min 341.html title Armalcolite ... Armalcolite.shtml title Armalcolite publisher Webmineral accessdate 2010 08 07 ref Armalcolite IPAc ... Lunar Sample Mineralogy , NASA ref Armalcolite was then identified in various locations on Earth and synthesized ... from about 1000 C to the ambient temperature. Armalcolite breaks down to the mixture of magnesium .... Because of this quenching requirement, armalcolite is relatively rare and is usually found in association ... Collins , and Buzz Aldrin . Armalcolite was originally found on the Moon, in Mare Tranquillitatis ... AM60 AM60 566.pdf title Armalcolite Ti Phlosopite Diopside Analcite Bearing Lamproites Armalcolite Ti ... Mwenezi District . ref name handbook ref name mex Armalcolite was also detected in lunar meteorites ..., Washington University ref Armalcolite is a minor mineral found in titanium rich basalt rocks, volcanic ... matrix. ref name o1 Petrographic analysis suggests that armalcolite is typically formed at low pressures and high temperatures. ref name handbook Synthesis Armalcolite crystals up to several millimeters ... of synthetic armalcolite. journal Science volume 175 issue 4021 pages 521 3 year 1972 pmid ... for laboratory and natural synthesis to avoid conversion of armalcolite to a mixture of magnesium ... to ilmenite, armalcolite has a relatively low abundance and is associated with ilmenite and rutile. ref cite journal title The stability of armalcolite Experimental studies in the system MgO Fe Ti ... of ilmenite and armalcolite can be used as an indicator of the cooling rate of a mineral during its ... Mg, blue Ti, red oxygen. Armalcolite has a general chemical formula Mg,Fe sup 2 sup Ti sub 2 sub O ... more details
Infobox mineral name Tranquillityite category Silicate mineral boxwidth image caption formula Fe sup 2 sup ,Ca sub 8 sub Zr,Y sub 2 sub Ti sub 3 sub SiO sub 4 sub sub 3 sub O sub 4 sub color Dark red brown habit system twinning cleavage fracture mohs luster opticalprop Biaxial refractive n sub sub 2.120 2V 40 birefringence 2.120 pleochroism streak gravity 4.7 4.8 g cm sup 3 sup calculated melt fusibility solubility other references ref name mindat cite web url http www.mindat.org min 4006.html title Tranquillityite publisher Mindat.org accessdate 2010 08 07 ref ref name webmin cite web url http webmineral.com data Tranquillityite.shtml title Tranquillityite publisher Webmineral accessdate 2010 08 07 ref ref name j1 cite journal url http www.minsocam.org ammin AM58 AM58 139.pdf journal American Mineralogist year 1973 volume 58 page 139 title New mineral names author Fleischer, M. ref Tranquillityite is silicate mineral with an average formula Fe sup 2 sup ,Ca sub 8 sub Zr,Y sub 2 sub Ti sub 3 sub SiO sub 4 sub sub 3 sub O sub 4 sub . It is mostly composed of iron , oxygen , silicon , zirconium and titanium with smaller fractions of yttrium and calcium . It is named after the Mare Tranquillitatis Sea of Tranquility , the place on the Moon where it was found during the Apollo 11 and Apollo 12 12 missions in 1969. It was identified in 1971 and later found in lunar rocks from all Apollo missions. ref name j2 Together with armalcolite and pyroxferroite , it is one of the three minerals which were discovered on the Moon. ref http curator.jsc.nasa.gov lunar letss Mineralogy.pdf Lunar Sample Mineralogy , NASA ref Fragments of tranquillityite were later found in Northwest Africa, in the NWA 856 Martian meteorite . ref cite journal last1 Leroux first1 Hugues last2 Cordier first2 Patrick title Magmatic cristobalite and quartz in the NWA 856 Martian meteorite journal Meteoritics & Planetary Science volume 41 pages 913 year 2006 doi 10.1111 j.1945 5100.2006.tb00495.x issue 6 ... more details
High K basalt . Discoveries Three minerals were discovered from the moon. These include Armalcolite , Tranquillityite and Pyroxferroite . Armalcolite , was named for the three astronaut s on the Apollo ... more details
image gem.animals.arp.750pix.jpg thumb Gem animals. Click the picture to see a list of the minerals This is a list of mineral s for which there are Wikipedia articles. Mineral variety names and mineraloid s are to be listed after the valid minerals for each letter. For a complete listing about 4,000 of all mineral names, see List of minerals complete . compactTOC5 Sorted by name A columns width 250px col1 Abelsonite Abenakiite Ce Abernathyite Abhurite Abswurmbachite Acanthite Actinolite Acuminite Adamite Adamsite Y Adelite Admontite Aegirine Aenigmatite Aerinite Aerugite Aeschynite Ce Aeschynite Nd Aeschynite Y Afghanite Afwillite Agardite Agrellite Agrinierite Aguilarite Aheylite Ahlfeldite Aikinite Ajoite Akagan ite Akatoreite Akdalaite kermanite col2 Aksaite Alabandite Alamosite Alarsite Albite Alforsite Algodonite Aliettite Allabogdanite Allanite Alloclasite Allophane Almandine Alstonite Altaite Aluminite Aluminium Alunite Alunogen Amblygonite Ameghinite Amphibole mineral group Analcite Anapaite Anatase Andalusite Andesine Andradite Anglesite Anhydrite Ankerite Annabergite Anorthite col3 Anorthoclase Anthophyllite Antigorite Antimony Antitaenite Antlerite Apatite mineral group Apophyllite Aragonite Archerite Arctite Arcubisite Arfvedsonite Argutite Armalcolite Arsenic Arsenopyrite Arthurite Artinite Artroeite Asisite Astrophyllite Atacamite Atheneite Aubertite Augelite Augite Aurichalcite Auricupride Aurostibite Autunite Axinite mineral group Azurite Varieties that are not valid species Agate variety of quartz Alabaster variety of gypsum Alexandrite variety of chrysoberyl Allingite synonym of amber Alum Amazonite variety of microcline Amber fossilized resin Amethyst purple variety of quartz Ammolite organic also a gemstone Amosite asbestiform grunerite Anyolite metamorphic rock zoisite, ruby, and hornblende Antozonite variety of fluorite Beryl Aquamarine and maxixe Aquamarine light blue variety of beryl Argentite high temperature form of acanthite Asbestos fibr ... more details
This is a list of mineral s named after people . The chemical composition follows name when available. For other lists of eponym s names derived from people see Lists of etymologies . For a list of eponyms sorted by name see List of eponyms . compactTOC5 Sorted by name A Abswurmbachite Cu,Mn sup 2 sup Mn sup 3 sup sub 6 sub O sub 8 sub SiO sub 4 sub &ndash German mineralogist Irmgard Abs Wurmbach Adamite Zn sub 2 sub AsO sub 4 sub OH &ndash French mineralogist Gilbert Joseph Adam 1795 1881 Aheylite iron Fe sup 2 sub , zinc Zn aluminum Al sub 6 sub oxygen O hydrogen H sub 4 sub phosphorus P O sub 4 sub sub 2 sub sub 2 sub 4H sub 2 sub O &ndash American geologist Allen V. Heyl Alexandrite variety of Chrysoberyl &ndash Tsar Alexander II of Russia 1818 1881 Alforsite Ba sub 5 sub Cl PO sub 4 sub sub 3 sub &ndash American geologist John T. Alfors 1930 2005 Allabogdanite Fe,Ni sub 2 sub P &ndash Alla Bogdanova , Geological Institute, Kola Science Centre of Russian Academy of Sciences Ankerite Ca Fe,Mg,Mn CO sub 3 sub sub 2 sub &ndash an Austrian mineralogist Matthias Joseph Anker 1771 1843 Arfvedsonite Na sub 3 sub Fe,Mg sub 4 sub FeSi sub 8 sub O sub 22 sub OH sub 2 sub &ndash Swedish chemist Johan August Arfwedson 1792 1841 Armalcolite Mg,Fe sup 2 sup Ti sub 2 sub O sub 5 sub &ndash American astronauts ARM Neil Armstrong , AL Buzz Aldrin and COL Michael Collins astronaut Michael Collins Armbrusterite &ndash Swiss crystallographer Thomas Armbruster born 1950 Arthurite Copper Cu Iron Fe sub 2 sub sup 3 sup oxygen O hydrogen H ,O arsenic As O sub 4 sub , phosphorus P O sub 4 sub , sulfur S O sub 4 sub sub 2 sub 4 water H sub 2 sub O &ndash British mineralogists Sir Sir Arthur Edward Ian Montagu Russell, 6th Baronet and Arthur W. G. Kingsbury B Baddeleyite zirconium Zr oxygen O sub 2 sub &ndash Joseph Baddeley Bazzite Be sub 3 sub Sc,Fe sub 2 sub Si sub 6 sub O sub 18 sub &ndash Italian engineer Alessandro E. Bazzi Berthierite Fe,Sb sub 2 sub S sub 4 sub French geologist an ... more details
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