Calcioancylite-(Nd) Mineral Data

[Mineral Forums] [Minerals for Sale] [About Us] [En Espanol] [Mineral Gallery]
Fabre Minerals - Europe's first Internet mineral dealer, on the web since 1996

General Calcioancylite-(Nd) Information

Chemical Formula:

CaNd(CO3)2(OH)•(H2O)

Composition:

Molecular Weight = 339.36 gm

Calcium 11.81 % Ca 16.52 % CaO

Hydrogen 0.89 % H 7.96 % H₂O

Carbon 7.08 % C 25.94 % CO₂

Neodymium 42.50 % Nd 49.58 % Nd₂O₃

Oxygen 37.72 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

CaNd(CO₃)₂(OH)•(H₂O)

Environment:

Miarolitic cavity in granite.

IMA Status:

Approved IMA 1991

Locality:

Baveno, Piedmont, Italy. Link to MinDat.org Location Data.

Name Origin:

Named for the composition and from the Greek "curved," in allusion to the rounded and distorted character of the crystals.

Name Pronunciation:

Calcioancylite-(Nd) + Pronunciation

Synonym:

Calcio-ancylite-(Nd) - Renamed Calcioancylite-(Nd) by Mineralogical Record, v39 (2008), p131

IMA1989-008

Search for Calcioancylite-(Nd) Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Calcioancylite-(Nd) Crystallography

Axial Ratios:

a:b:c =1.4493:1:1.7017

Cell Dimensions:

a = 7.212, b = 4.976, c = 8.468, Z = 2; beta = 90.04° V = 303.89 Den(Calc)= 3.71

Crystal System:

Monoclinic - DomaticH-M Symbol (m) Space Group: Pm

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 4.26(1), 2.905(0.9), 2.048(0.8),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Orlandi P , Pasero M , Vezzalini G , European Journal of Mineralogy , 2 (1990) p.413-418, Calcio-ancylite-(Nd), a new REE-carbonate from Baveno, Italy, Locality: Baveno, Italy

Physical Properties of Calcioancylite-(Nd)

Color:

Pink.

Diaphaneity:

Transparent

Hardness:

4-4.5 - Between Fluorite and Apatite

Luster:

Vitreous (Glassy)

Optical Properties of Calcioancylite-(Nd)

Gladstone-Dale:

CI calc= -0.046 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1928,KC= 0.1844
Ncalc = 1.68

Optical Data:

Biaxial (-), a=1.66, b=1.725, g=1.761, bire=0.1010, 2V(Calc)=70, 2V(Meas)=70-74.

Calculated Properties of Calcioancylite-(Nd)

Electron Density:

Bulk Density (Electron Density)=3.48 gm/cc
note: Specific Gravity of Calcioancylite-(Nd) =3.71 gm/cc.

Fermion Index:

Fermion Index = 0.08
Boson Index = 0.92

Photoelectric:

PE_{Calcioancylite-(Nd)}= 239.41 barns/electron
U=PE_{Calcioancylite-(Nd)} x r_electron= 832.32 barns/cc.

Radioactivity:

GRapi = 42,483.74 (Gamma Ray American Petroleum Institute Units)
Concentration of Calcioancylite-(Nd) per GRapi unit = 23.54 (PPM)

Calcioancylite-(Nd) 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) 715.96 ±178.99 grams of pure Calcioancylite-(Nd) .

**Estimated Radioactivity from Calcioancylite-(Nd)** - 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 / 8.01 cm	952,082	2.57E-05	42,483.74	13.97
100 gm / 3.72 cm	95,208	2.57E-06	4,248.37	1.40
10 gm / 1.73 cm	9,521	2.57E-07	424.84	0.14
1 gm / 8.01 mm	952	2.57E-08	42.48	0.01
0.1 gm / 3.72 mm	95	2.57E-09	4.25	0.00
0.01 gm / 1.73 mm	10	2.57E-10	0.42	0.00
0.001 gm / 0.80 mm	1	2.57E-11	0.04	0.00

Weight of pure Calcioancylite-(Nd) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.71 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 ( 2.13 % Th) From Sum REE Elements (42.50 % REE)

Calcioancylite-(Nd) Classification

Dana Class:

16b.01.01.03 (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

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-(Nd) Information

References:

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.76,p1729,1991) OPTIC PROP.(Am.Min.,Vol.76,p1729,1991)

See Also:

Links to other databases for Calcioancylite-(Nd) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (UofA)
6 - MinDAT
7 - MinMax(Deutsch)
8 - MinMax(English)
9 - Mineralienatlas (Deutsch)
10 - QUT Mineral Atlas
11 - Ruff.Info

Search for Calcioancylite-(Nd) using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Calcioancylite-(Nd) :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Calcioancylite-(Nd) Mineral Data :

Ask about Calcioancylite-(Nd) 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 Español

Print or Cut-and-Paste your Calcioancylite-(Nd) Specimen Label here :

Calcioancylite-(Nd)

CaNd(CO3)2(OH)•(H2O)
Dana No: 16b.01.01.03 Strunz No: 05.DC.05
Locality:

Notes: