• Orthochevkinite Mineral Data

    webmineral.com/data/Orthochevkinite.shtml PE Orthochevkinite = 326.86 barns/electron U=PE Orthochevkinite x r electron =1,341.82 barns/cc. Radioactivity: GRapi = 154,977.55 (Gamma Ray American Petroleum Institute Units) Concentration of Orthochevkinite per GRapi unit = 6.45 (PPM) Orthochevkinite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
  • Orthochevkinite: Mineral information, data and localities.

    www.mindat.org/min-7208.html Orthochevkinite mineral data, information about Orthochevkinite, its properties and worldwide locations.
  • Chevkinite | Article about Chevkinite by The Free Dictionary

    encyclopedia2.thefreedictionary.com/Chevkinite chevkinite[′chef·kə‚nīt] (mineralogy) (Fe,Ca)(Ce,La)2(Si,Ti)2O8 A mineral consisting of silicotitanate of iron, calcium, and rare-earth elements. Chevkinite (named after K. V. Chevkin [1802–75], chief of staff of the Corps of Mining Engineers in St. Petersburg), also tscheffkinite, a mineral. Chevkinite, a diorthosilicate with the chemical ...
  • Chevkinite-(Ce) Mineral Data

    webmineral.com/data/Chevkinite-%28Ce%29.shtml [Content and History] [Recent Issues] [Back Issues] [Subscriptions] See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM] Mineral News was founded some twenty years ago and has developed a following of avid mineral collectors seeking timely information about new finds and other items of interest to the collector community.
  • معنی Orthochevkinite - دیکشنری آنلاین آبادیس

    dictionary.abadis.ir/entofa/o/Orthochevkinite Orthochevkinite معنی Orthochevkinite در دیکشنری تخصصی [زمین شناسی] نوعی کانی - فرمول شیمیایی: (Ce,La,Ca,Na,Th)4(Fe++,Mg)2(Ti, Fe3+)3Si4O22
  • Ortochevkinite: Mineral information, data and localities.

    www.mindat.org/min-11574.html Ortochevkinite mineral data, information about Ortochevkinite, its properties and worldwide locations.
  • Chevkinite-(Ce) Mineral Data

    webmin.mindat.org/data/Chevkinite-(Ce).shtml General Chevkinite-(Ce) Information : Chemical Formula: (Ce,La,Ca,Th)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 : Composition: Molecular Weight = 1,205.27 gm Calcium 2.66 % Ca 3.72 % CaO: Lanthanum 16.13 % La 18.92 % La 2 O 3: Cerium 19.76 % Ce 23.15 % Ce 2 O 3: Thorium 1.93 % Th 2.19 % ThO 2: Magnesium 0.40 % Mg 0.67 % MgO: Titanium 9.93 % Ti 16.57 % TiO 2
  • X-Ray Diffraction Table

    webmin.mindat.org/MySQL/xray.php Minerals Arranged by X-Ray Powder Diffraction. See Help on X-Ray Diffraction.. Powder X-ray Diffraction (XRD) is one of the primary techniques used by mineralogists and solid state chemists to examine the physico-chemical make-up of unknown materials. This data is represented in a collection of single-phase X-ray powder diffraction patterns for the three most intense D values in the form of ...
  • Perrierite-(Ce): Mineral information, data and localities.

    zh.mindat.org/min-3168.html Named by Stefano Bonatti and Glauco Gottardi in 1950 in honor of Carlo Perrier (7 July 1886, Turin, Italy – 22 May 1948, Genoa, Italy), mineralogist and professor of mineralogy in the University of Genoa.
  • 鉱物名リスト O Mineral name list O - FC2

    413828.web.fc2.com/ao.html 国産: 英名: 和名: 主な成分: 系列色 O: オルフスベルグ鉱 Obertiite Na.Mg.Fe.Ti.Si. 桃 Oboyerite : オボイヤーライト