[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts] 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. Articles are solicited from collector and scientific authors. General Vitusite-(Ce) InformationNa3(Ce,La,Nd)(PO4)2 |
Molecular Weight = 399.08 gm |
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Sodium 17.28 % Na 23.30 % Na2O |
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Lanthanum 10.44 % La 12.25 % La2O3 |
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Cerium 21.07 % Ce 24.67 % Ce2O3 |
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Phosphorus 15.52 % P 35.57 % P2O5 |
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Neodymium 3.61 % Nd 4.22 % Nd2O3 |
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Oxygen 32.07 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Na3Ce0.6La0.3Nd0.1(PO4)2 |
Melanocratic nepheline syenite. |
Approved IMA 1979 |
Ilimaussaq intrusion, southern Greenland. Link to MinDat.org Location Data. |
Named for Vitus Bering (1681-1741), explorer of norhtern seas (Bering Sea). |
Vitusite-(Ce) |
| | Vitusite-(Ce) Image
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Vitusite-(Ce) Crystallographya:b:c =0.2859:1:0.7527 |
a = 5.342, b = 18.68, c = 14.062, Z = 8; V = 1,403.23 Den(Calc)= 3.78 |
OrthorhombicSpace Group: Pcmb,Pc21b |
By Intensity(I/Io): 2.801(1), 2.811(1), 6.58(0.9), |
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Mouse
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| Physical Properties of Vitusite-(Ce){100} Good, {010} Good, {001} Good |
White, Light green, Light pink. |
3.6 - 3.7, Average = 3.65 |
Pseudo Hexagonal - Crystals show a hexagonal outline. |
4.5 - Between Fluorite and Apatite |
Vitreous (Glassy) |
white |
| Optical Properties of Vitusite-(Ce)CI meas= -0.03 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.006 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1678,KPDmeas= 0.1738,KC= 0.1688 Ncalc = 1.61 - 1.64 Biaxial (-), a=1.602-1.604, b=1.647-1.65, g=1.649-1.654, bire=0.0470-0.0500, 2V(Calc)=22-32, 2V(Meas)=30. |
| Calculated Properties of Vitusite-(Ce)Bulk Density (Electron Density)=3.50 gm/cc |
note: Specific Gravity of Vitusite-(Ce) =3.78 gm/cc. Fermion Index = 0.0076501022 |
Boson Index = 0.9923498978 PEVitusite-(Ce) = 174.91 barns/electron |
U=PEVitusite-(Ce) x relectron= 612.66 barns/cc. |
GRapi = 34,715.34 (Gamma Ray American Petroleum Institute Units)
Vitusite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size
(10 mRem/hr limit, Unshielded 10 cm box)
876.17 ±219.04 grams of pure Vitusite-(Ce) .
Weight of pure Vitusite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.78 gm/cc.* | Vitusite-(Ce) Classification38.01.08.01 (38)Anhydrous Phosphates, etc |
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(38.01)A+ B++ XO4 |
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(38.01.08)Dana Group |
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08.AC.35 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.A - Phosphates, etc. without additional anions, without H2O |
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08.AC -With medium-sized and large cations |
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| Other Vitusite-(Ce) InformationNAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Vitusite-(Ce) : |
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 - Am. Min. Crystal Structure Database 4 - Athena 5 - EUROmin Project 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Vitusite-(Ce) using: Visit our Advertisers for Vitusite-(Ce) : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Vitusite-(Ce) Mineral Data : Ask about Vitusite-(Ce) here : Print or Cut-and-Paste your Vitusite-(Ce) Specimen Label here :
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