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Calcioancylite-(Ce) Mineral Data

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General Calcioancylite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: CaCe(CO3)2(OH)•(H2O)
Help on Composition: Composition: Molecular Weight = 335.23 gm
   Calcium   11.96 %  Ca   16.73 % CaO
   Cerium    41.80 %  Ce   48.96 % Ce2O3
   Hydrogen   0.90 %  H     8.06 % H2O
   Carbon     7.17 %  C    26.26 % CO2
   Oxygen    38.18 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCe(CO3)2(OH)•(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1922
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and from the Greek "curved," in allusion to the rounded and distorted character of the crystals.
Help on Name Pronunciation: Name Pronunciation: Calcioancylite-(Ce) + Pronunciation Say CALCIOANCYLITE-(CE)
Help on Synonym: Synonym: Calcio-ancylite-(Ce) - Renamed Calcioancylite-(Ce) by Mineralogical Record, v39 (2008), p131

Calcioancylite-(Ce) Image

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Comments: Gray calcio-ancylite pseudomorphs after remondite crystals up to 4 cm long.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Qu├ębec, Canada. Scale: 5x4x4 cm.
© John Betts - Fine Minerals

Calcioancylite-(Ce) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8527:1:0.5912
Help on Cell Dimensions: Cell Dimensions: a = 7.24, b = 8.49, c = 5.02, Z = 2; V = 308.57 Den(Calc)= 3.61
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.02(1), 2.09(1), 2.35(1),1.95(0.9), 1.85(0.6), 2.53(0.5), 2.65(0.5), 2.95(0.5),

Physical Properties of Calcioancylite-(Ce)

Help on Color: Color: Colorless, Gray, Pale yellow.
Help on Diaphaneity: Diaphaneity: Transparent to Subtranslucent
Help on Habit: Habit: Pseudo Octohedral - Crystals show an octohedral outline.
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luminescence: Luminescence: Fluorescent, Short UV=blue gray, Long UV=blue gray.
Help on Luster: Luster: Vitreous - Greasy

Optical Properties of Calcioancylite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.058 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1994,KC= 0.1884
Ncalc = 1.68
Help on Optical Data: Optical Data: Biaxial (-), a=1.654, b=1.733, g=1.772, bire=0.1180, 2V(Calc)=66, 2V(Meas)=60-70. Dispersion r < v.

Calculated Properties of Calcioancylite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.38 gm/cc
note: Specific Gravity of Calcioancylite-(Ce) =3.61 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0011342482
Boson Index = 0.9988657518
Help on Photoelectric: Photoelectric: PECalcioancylite-(Ce) = 207.70 barns/electron
U=PECalcioancylite-(Ce) x relectron= 702.32 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 41,758.67 (Gamma Ray American Petroleum Institute Units)
Concentration of Calcioancylite-(Ce) per GRapi unit = 23.95 (PPM)

Calcioancylite-(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) 728.39 ±182.10 grams of pure Calcioancylite-(Ce) .

Estimated Radioactivity from Calcioancylite-(Ce) - weak
Curies (Ci)
If Held in Hand
For One Hour
1000 gm / 8.09 cm 936,234 2.53E-05 41,758.67 13.73
100 gm / 3.75 cm 93,623 2.53E-06 4,175.87 1.37
10 gm / 1.74 cm 9,362 2.53E-07 417.59 0.14
1 gm / 8.09 mm 936 2.53E-08 41.76 0.01
0.1 gm / 3.75 mm 94 2.53E-09 4.18 0.00
0.01 gm / 1.74 mm 9 2.53E-10 0.42 0.00
0.001 gm / 0.81 mm 1 2.53E-11 0.04 0.00

Weight of pure Calcioancylite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.61 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 ( 2.09 % Th) From Sum REE Elements (41.80 % REE)

Calcioancylite-(Ce) Classification

Help on  Dana Class: Dana Class: 16b.01.01.02 (16b)Carbonates - Hydroxyl or Halogen
  (16b.01)where (A)m (B)n (XO3)p Zq, with (m+n):p=1:1
  (16b.01.01)Ancylite group
16b.01.01.01 Ancylite-(Ce) SrCe(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
16b.01.01.02 Calcioancylite-(Ce) CaCe(CO3)2(OH)•(H2O) P mmm 2/m 2/m 2/m
16b.01.01.03 Calcioancylite-(Nd) CaNd(CO3)2(OH)•(H2O) Pm m
16b.01.01.04 Gysinite-(Nd) Pb(Nd,La)(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
16b.01.01.05 Ancylite-(La)! Sr(La,Ce)(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
16b.01.01.06 Kozoite-(Nd)! (Nd,La,Sm,Pr)(CO3)(OH) Pmcn 2/m 2/m 2/m
16b.01.01.07 Kozoite-(La)! La(CO3)(OH) Pmcn 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 05.DC.05 05 - CARBONATES (NITRATES)
  05.D - Carbonates with Additional Anions, with H2O
  05.DC -With large cations
05.DC.05 Ancylite-(Ce) SrCe(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
05.DC.05 Ancylite-(La)! Sr(La,Ce)(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
05.DC.05 Gysinite-(Nd) Pb(Nd,La)(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
05.DC.05 Calcioancylite-(Ce) CaCe(CO3)2(OH)•(H2O) P mmm 2/m 2/m 2/m
05.DC.05 Calcioancylite-(Nd) CaNd(CO3)2(OH)•(H2O) Pm m
05.DC.05 Kozoite-(La)! La(CO3)(OH) Pmcn 2/m 2/m 2/m
05.DC.05 Kozoite-(Nd)! (Nd,La,Sm,Pr)(CO3)(OH) Pmcn 2/m 2/m 2/m

Other Calcioancylite-(Ce) Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Calcioancylite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Dana No: 16b.01.01.02 Strunz No: 05.DC.05





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