• Melanocerite-(Ce): Mineral information, data and localities.

    www.mindat.org/min-2629.html Possibly a thorian Melanocerite-(Ce). First described by Brögger (1890) from the Arøy skerries, Langesundsfjord, Vestfold, Norway. Freyalite: Thorium-rich variety of melanocerite-(Ce) which has been altered with subsequent leaching of Na,Ca,and F.
  • Melanocerite-(Ce) Mineral Data

    webmineral.com/data/Melanocerite-%28Ce%29.shtml Melanocerite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 311.71 ± 77.93 grams of pure Melanocerite-(Ce) .
  • Melanocerite-(Ce) mineral information and data

    www.dakotamatrix.com/mineralpedia/6663/melanocerite-ce (Ce,Th,Ca)5(Si,B)3O12(OH,F) n(H2O) (?) Crystal System Trigonal Crystal Habit Tabular, Metamict Cleavage None, None, None Luster Resinous Color brown, black, dark brown, reddish brown Streak light brown Class Trigonal Fracture Brittle - Conchoidal Hardness 5-6 WebMineral View Melanocerite-(Ce) Mindat View Melanocerite-(Ce)
  • Melanocerite-(Ce) - Mindat.org

    www.mindat.org/gm/2629 Tabular xls of brownish black melanocerite-(Ce) embedded in analcime after sodalite. Together with aegirine, microcline and zircon. Specimen size: 5,5 x 3,5 x 1,5 cm (Not found at the TL pegmatite, but another nephelinesyenite pegmatite dike at Kjeøya)
  • Melanocerite-(Ce) Mineral Specimen For Sale

    www.dakotamatrix.com/products/11042/melanocerite-ce Melanocerite-(Ce) - Blue crystalline grains throughout mass with dark purple Fluorite. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.
  • Melanocerite-(Ce) from Melanocerite typelocality, Kjeøya ...

    www.mindat.org/locentry-772790.html Melanocerite-(Ce) Formula: (Ce,Ca) 5 (SiO 4,BO 4) 3 (OH,0) Habit: Rhombohedral crystals: Colour: Brown to black: Confirmation: Validity: Valid - Type Locality: References: References: Brøgger, W.C. (1887):Forelöbig meddelelse om mineralerne på de sydnorske augit- og nefelinsyeniters grovkornige gange. Geologiska Föreningen i Stockholm ...
  • Melanocerite | Article about melanocerite by The Free ...

    encyclopedia2.thefreedictionary.com/melanocerite (Ca,Ce,Y) 8 (BO 3)(SiO 4) 4 (F,OH) 4 A brown or black rhombohedral mineral composed of complex silicate, borate, fluoride, tantalate, or other anion of cerium, yttrium, calcium, and other metals; occurs as crystals.
  • Melanocerite-(Ce) Image - Mineral

    webmineral.com/specimens/picshow.php Black, vitreous, crystalline aggregates of melanocerite-(Ce) in matrix. Cardiff Uranium mine, Wilberforce, Monmouth Township, Haliburton Co., Ontario, Canada.
  • Melanocerite-(Ce) from Burpala alkaline Massif, Maigunda ...

    www.mindat.org/locentry-1236759.html Click here to view Melanocerite-(Ce) data: Locality Data: Click here to view Burpala alkaline Massif, Maigunda River, Mama River Basin, Buryatia, Russia . Mineral and/or Locality . Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
  • Melanocerite-(Ce) from Langesundsfjorden, Larvik, Vestfold ...

    www.mindat.org/locentry-986471.html 1 photo of Melanocerite-(Ce) associated with Analcime at this locality. Microcline: 1 photo of Melanocerite-(Ce) associated with Microcline at this locality. Data: Mineral Data: Click here to view Melanocerite-(Ce) data: Locality Data: Click here to view Langesundsfjorden, Larvik, Vestfold, Norway: Localities for Melanocerite-(Ce) in this Region