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Calcioburbankite Mineral Data

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General Calcioburbankite Information

Help on Chemical  Formula: Chemical Formula: Na3(Ca,REE,Sr)3(CO3)5
Help on Composition: Composition: Molecular Weight = 597.04 gm
   Sodium           11.55 %  Na   15.57 % Na2O
   Strontium         4.40 %  Sr    5.21 % SrO
   Calcium          12.08 %  Ca   16.91 % CaO
   La,Ce,Pr,Nd,Sm,  21.71 %  RE   25.32 % REE2O3
   Carbon           10.06 %  C    36.86 % CO2
   Oxygen           40.20 %  O
                   ______        ______ 
                   100.00 %       99.87 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na3Ca1.8REE0.9Sr0.3(CO3)5
Help on Environment: Environment: In a vent associated with ancylite-Ce and a vug inside a marble zenolith associated the carbonatite assemblage at Mont Saint-Hilaire.
Help on IMA Status: IMA Status: Approved IMA 1995
Help on Locality: Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For its relationship as the calcium-dominant analog of burbankite.
Help on Name Pronunciation: Name Pronunciation: Calcioburbankite + Pronunciation Say CALCIOBURBANKITE
Help on Synonym: Synonym: IMA1993-001

Calcioburbankite Image

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  Calcioburbankite   Aegirine

Comments: Tan crystal spray of calcioburbankite on dark green aegirine.
Location: Mont Saint Hilaire, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Calcioburbankite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.60476
Help on Cell Dimensions: Cell Dimensions: a = 10.447, c = 6.318, Z = 2; V = 597.16 Den(Calc)= 3.32
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Pyramidal H-M Symbol (6mm) Space Group: P 63mc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.601(1), 2.13(0.6), 3.01(0.5),

Physical Properties of Calcioburbankite

Help on Cleavage: Cleavage: {100} Imperfect
Help on Color: Color: Deep orange, Silky white, Pink. light.
Help on Density: Density: 3.45
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Calcioburbankite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.001 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.04 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1908,KPDmeas= 0.1836,KC= 0.1834
Ncalc = 1.61 - 1.63
Help on Optical Data: Optical Data: Uniaxial (-), e=1.631, w=1.636, bire=0.0050.

Calculated Properties of Calcioburbankite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.30 gm/cc
note: Specific Gravity of Calcioburbankite =3.45 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PECalcioburbankite = 135.40 barns/electron
U=PECalcioburbankite x relectron= 446.43 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 22,208.16 (Gamma Ray American Petroleum Institute Units)
Concentration of Calcioburbankite per GRapi unit = 45.03 (PPM)

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

Estimated Radioactivity from Calcioburbankite - weak
Curies (Ci)
If Held in Hand
For One Hour
1000 gm / 8.21 cm 487,983 1.32E-05 22,208.16 7.30
100 gm / 3.81 cm 48,798 1.32E-06 2,220.82 0.73
10 gm / 1.77 cm 4,880 1.32E-07 222.08 0.07
1 gm / 8.21 mm 488 1.32E-08 22.21 0.01
0.1 gm / 3.81 mm 49 1.32E-09 2.22 0.00
0.01 gm / 1.77 mm 5 1.32E-10 0.22 0.00
0.001 gm / 0.82 mm 0 1.32E-11 0.02 0.00

Weight of pure Calcioburbankite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.45 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 ( 1.09 % Th) From Sum REE Elements (21.71 % REE)

Calcioburbankite Classification

Help on  Dana Class: Dana Class: (14)Anhydrous Carbonates
  (14.04)with Compound Formula A+2 B++2 (CO3)4
  (14.04.04)Burbankite Group (Hexagonal) Burbankite (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 P 63/mmc 6/m 2/m 2/m Khanneshite (NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5 P 63mc 6mm Calcioburbankite Na3(Ca,REE,Sr)3(CO3)5 P 63mc 6mm Sanromanite! Na2CaPb3(CO3)5 P 63mc 6mm
Help on  Strunz Class: Strunz Class: 05.AC.30 05 - CARBONATES (NITRATES)
  05.A - Carbonates without additional anions, without H2O
  05.AC -Alkali and alkali-earth carbonates
05.AC.30 Burbankite (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 P 63/mmc 6/m 2/m 2/m
05.AC.30 Calcioburbankite Na3(Ca,REE,Sr)3(CO3)5 P 63mc 6mm
05.AC.30 Khanneshite (NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5 P 63mc 6mm
05.AC.30 Sanromanite! Na2CaPb3(CO3)5 P 63mc 6mm

Other Calcioburbankite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min v 81, p 1013, AmMin v 88, p 934) OPTIC PROP.(MinRec)
Help on See Also: See Also: Links to other databases for Calcioburbankite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 05.AC.30





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