Mineralogy Database

Diversilite-(Ce) Mineral Data

Search Webmineral :
  
Advertisment

General Diversilite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: Na2(Ba,K)6Ce2Fe++Ti3Si12O36(OH)3(OH,H2O)9
Help on Composition: Composition: Molecular Weight = 2,272.68 gm
   Potassium       4.77 %  K     5.74 % K2O
   Barium         21.99 %  Ba   24.56 % BaO
   Sodium          2.02 %  Na    2.73 % Na2O
   Strontium       0.35 %  Sr    0.41 % SrO
   Calcium         0.07 %  Ca    0.10 % CaO
   Lanthanum       4.10 %  La    4.80 % La2O3
   Cerium          5.67 %  Ce    6.64 % Ce2O3
   Praeseodymium   0.62 %  Pr    0.73 % Pr2O3
   Samarium        0.13 %  Sm    0.15 % Sm2O3
   Titanium        5.44 %  Ti    9.07 % TiO2
   Manganese       0.82 %  Mn    1.06 % MnO
   Niobium         1.10 %  Nb    1.58 % Nb2O5
   Iron            2.38 %  Fe    3.07 % FeO
   Silicon        14.98 %  Si   32.04 % SiO2
   Hydrogen        0.69 %  H     6.14 % H2O
   Neodymium       1.02 %  Nd    1.18 % Nd2O3
   Oxygen         33.85 %  O
                 ______        ______ 
                 100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2Ba3.64K2.77Ce0.92La0.67Nd0.16Pr0.1Sm0.02Mn2+0.16Sr0.09Ca0.04Fe2+0.97Mn2+0.03 Ti2.58Nb0.27Mn2+0.15Si12.12O36.36(H2O)3.76
Help on Environment: Environment: In a strongly mineralized rischorrite - ijolite - urtite pegmatite. New structure type.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Mt. Uuksport, Khibina alkalne massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Name for the Latin diversus (hetrogeneous) and silicate, reflecting the main structural features.
Help on Synonym: Synonym: IMA2002-043
 

Diversilite-(Ce) Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Diversilite-(Ce)

Comments: Crude platy brown diversilite-(Ce) in matrix.
Location: Mt. Yukspor, Chibiny, Kola, Russia. Scale: Not Given.
© Diederik Visser

Diversilite-(Ce) Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:5.6101
Help on Cell Dimensions: Cell Dimensions: a = 10.708, c = 60.073, Z = 6; V = 5,965.23 Den(Calc)= 3.80
Help on Crystal System: Crystal System: Trigonal - Pyramidal H-M Symbol (3) Space Group: R 32
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.236(1)(1.1.15), 2.026(0.61)(0.0.30), 2.642(0.44)(3.0.12),2.654(0.38)(223), 10.12(0.27)(006), 3.094(0.21)(300), 2.234(0.19)(2.2.15),
 

Physical Properties of Diversilite-(Ce)

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellowish orange.
Help on Density: Density: 3.68
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Fan Shaped - Occurs as radiating crystals shaped like a fan.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Diversilite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.056 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.086 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1859,KPDmeas= 0.192,KC= 0.2034
Ncalc = 1.75 - 1.77
Help on Optical Data: Optical Data: Uniaxial (+), w=1.705, e=1.708, bire=0.0030.
 

Calculated Properties of Diversilite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.44 gm/cc
note: Specific Gravity of Diversilite-(Ce) =3.68 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEDiversilite-(Ce) = 156.07 barns/electron
U=PEDiversilite-(Ce) x relectron= 536.97 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 11,575.22 (Gamma Ray American Petroleum Institute Units)
Concentration of Diversilite-(Ce) per GRapi unit = 86.39 (PPM)

Diversilite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Diversilite-(Ce) - weak
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 8.04 cm 259,992 7.03E-06 11,575.22 3.81
100 gm / 3.73 cm 25,999 7.03E-07 1,157.52 0.38
10 gm / 1.73 cm 2,600 7.03E-08 115.75 0.04
1 gm / 8.04 mm 260 7.03E-09 11.58 0.00
0.1 gm / 3.73 mm 26 7.03E-10 1.16 0.00
0.01 gm / 1.73 mm 3 7.03E-11 0.12 0.00
0.001 gm / 0.80 mm 0 7.03E-12 0.01 0.00

Weight of pure Diversilite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.68 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 0.58 % Th) From Sum REE Elements (11.53 % REE)
 

Diversilite-(Ce) Classification

Help on  Dana Class: Dana Class: 78.07.04.02 (78)Unclassified silicates
  (78.07)wholly unclassified silicates
  (78.07.04)Dana Group
 
78.07.04.01 Ilimaussite-(Ce) (Ba,Na)10K3Na4.5Ce5(Nb,Ti)6[Si12O36][Si9O18(O,OH)24]O6 R 32 3
 
78.07.04.02 Diversilite-(Ce)! Na2(Ba,K)6Ce2FeTi3Si12O36(OH)3(OH,H2O)9 R 32 3
Help on  Strunz Class: Strunz Class: 09.CB.10 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CB -[Si3O9]6- 3-membered single rings, with insular complex anions
 
09.CB.10 Diversilite-(Ce)! Na2(Ba,K)6Ce2FeTi3Si12O36(OH)3(OH,H2O)9 R 32 3
 

Other Diversilite-(Ce) Information

Help on References: References: NAME( CanMin, 42:923) PHYS. PROP.(CanMin, 42:923, AmMin v91, p715) OPTIC PROP.(CanMin, 42:923)
Help on See Also: See Also: Links to other databases for Diversilite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Diversilite-(Ce) using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Diversilite-(Ce) :

Ask about Diversilite-(Ce) here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Diversilite-(Ce) Specimen Label here :

Diversilite-(Ce)

Na2(Ba,K)6Ce2Fe++Ti3Si12O36(OH)3(OH,H2O)9
Dana No: 78.07.04.02 Strunz No: 09.CB.10
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.