Mineralogy Database

Carbocernaite Mineral Data

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General Carbocernaite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Na)(Sr,Ce,Ba)(CO3)2
Help on Composition: Composition: Molecular Weight = 264.16 gm
   Barium      5.20 %  Ba    5.80 % BaO
   Sodium      2.18 %  Na    2.93 % Na2O
   Strontium  19.90 %  Sr   23.54 % SrO
   Calcium    11.38 %  Ca   15.92 % CaO
   Cerium     15.91 %  Ce   18.64 % Ce2O3
   Carbon      9.09 %  C    33.32 % CO2
   Oxygen     36.34 %  O
             ______        ______ 
             100.00 %      100.15 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.75Na0.25Sr0.6Ce0.3Ba0.1(CO3)2
Help on Environment: Environment: Accessory mineral in dolomite�calcite carbonatite associated with an alkaline ultramafic massif.
Help on IMA Status: IMA Status: Approved IMA 1961
Help on Locality: Locality: Vuoriyarvi carbonatite complex, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the essential chemical components, CARBOnate, CERium, and sodium, Natrium.
Help on Synonym: Synonym: ICSD 201461
  PDF 25-175
 

Carbocernaite Image

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  Carbocernaite

Comments: Light brownish massive carbocernaite.
Location: Olenii (Oleny) Ruchei Stream apatite deposit, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Carbocernaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8806:1:0.7141
Help on Cell Dimensions: Cell Dimensions: a = 6.41, b = 7.279, c = 5.198, Z = 2; V = 242.53 Den(Calc)= 3.62
Help on Crystal System: Crystal System: Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: P mc21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.989(1), 4.05(0.5), 4.81(0.5),
 

Physical Properties of Carbocernaite

Help on Cleavage: Cleavage: {100} Indistinct, {021} Indistinct, {010} Indistinct
Help on Color: Color: Brown, Colorless, Yellow, Yellow brown, White.
Help on Density: Density: 3.53
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Carbocernaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.039 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1801,KPDmeas= 0.1847,KC= 0.1777
Ncalc = 1.63 - 1.64
Help on Optical Data: Optical Data: Biaxial (-), a=1.569, b=1.679, g=1.708, bire=0.1390, 2V(Calc)=50, 2V(Meas)=52.
 

Calculated Properties of Carbocernaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.39 gm/cc
note: Specific Gravity of Carbocernaite =3.62 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PECarbocernaite = 124.93 barns/electron
U=PECarbocernaite x relectron= 423.03 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 15,876.77 (Gamma Ray American Petroleum Institute Units)
Concentration of Carbocernaite per GRapi unit = 62.99 (PPM)

Carbocernaite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Carbocernaite - 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 / 8.08 cm 356,436 9.63E-06 15,876.77 5.22
100 gm / 3.75 cm 35,644 9.63E-07 1,587.68 0.52
10 gm / 1.74 cm 3,564 9.63E-08 158.77 0.05
1 gm / 8.08 mm 356 9.63E-09 15.88 0.01
0.1 gm / 3.75 mm 36 9.63E-10 1.59 0.00
0.01 gm / 1.74 mm 4 9.63E-11 0.16 0.00
0.001 gm / 0.81 mm 0 9.63E-12 0.02 0.00

Weight of pure Carbocernaite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.62 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 ( 0.80 % Th) From Sum REE Elements (15.91 % REE)
 

Carbocernaite Classification

Help on  Dana Class: Dana Class: 14.04.06.01 (14)Anhydrous Carbonates
  (14.04)with Compound Formula A+2 B++2 (CO3)4
  (14.04.06)Dana Group
 
14.04.06.01 Carbocernaite (Ca,Na)(Sr,Ce,Ba)(CO3)2 P mc21 mm2
Help on  Strunz Class: Strunz Class: 05.AB.50 05 - CARBONATES (NITRATES)
  05.A - Carbonates without additional anions, without H2O
  05.AB -Alkali-earth (and other M2+) carbonates
 
05.AB.50 Carbocernaite (Ca,Na)(Sr,Ce,Ba)(CO3)2 P mc21 mm2
 

Other Carbocernaite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Carbocernaite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - GeoScienceWorld
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST

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Print or Cut-and-Paste your Carbocernaite Specimen Label here :

Carbocernaite

(Ca,Na)(Sr,Ce,Ba)(CO3)2
Dana No: 14.04.06.01 Strunz No: 05.AB.50
Locality:

 

Notes:

 

 
   
 


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