Hydroxylbastnasite-(La) Mineral Data + Say HYDROXYLBASTNASITE-(LA)

Mineral of the Month Club

General Hydroxylbastnasite-(La) Information
Help on Chemical Formula: Chemical Formula: La(CO3)(OH)
Help on Composition: Composition: Molecular Weight = 215.92 gm
   Lanthanum  64.33 %  La   75.45 % La2O3
   Hydrogen    0.47 %  H     4.17 % H2O
   Carbon      5.56 %  C    20.38 % CO2
   Oxygen     29.64 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: La(CO3)(OH)
Help on Environment: Environment: Lower portions of karstic bauxites.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Hungary and Yugoslavia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named to conform to the bastnasite goup designations.
Help on Synonym: Synonym: Hydroxylcarbonate-(La)
 

Search for Hydroxylbastnasite-(La) Images

Click Here To Search 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.
  

Hydroxylbastnasite-(La) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.732:1:0.7949
Help on Cell Dimensions: Cell Dimensions: a = 21.891, b = 12.639, c = 10.047, Z = 36; V = 2,779.81 Den(Calc)= 4.64
Help on Crystal System: Crystal System: Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: C 2221
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.95(1), 1.943(0.8), 2.07(0.8),3.65(0.8), 5.02(0.8), 1.824(0.6), 2.11(0.6), 2.51(0.6),
 

Physical Properties of Hydroxylbastnasite-(La)

Help on Color: Color: Yellow.
Help on Density: Density: 4.7 - 4.8, Average = 4.75
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous - Greasy
 

Optical Properties of Hydroxylbastnasite-(La)

Help on Optical Data: Optical Data: NCalc= 1.78 - from Gladstone-Dale relationship (KC = 0.1689) where Ncalc=Dcalc*KC+1
NCalc= 1.8 - from Gladstone-Dale relationship (KC = 0.1689) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Hydroxylbastnasite-(La)

Help on Electron Density: Electron Density:

relectron=4.13 gm/cc
note: rHydroxylbastnasite-(La) =4.64 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.00133
Boson Index = 0.99867
Help on Photoelectric: Photoelectric:

PEHydroxylbastnasite-(La) = 311.11 barns/electron
U=PEHydroxylbastnasite-(La) x relectron=1,283.62 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 61,017.64 (Gamma Ray American Petroleum Institute Units)

Hydroxylbastnasite-(La) 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) 498.49 ±124.62 grams of pure Hydroxylbastnasite-(La) .

Estimated Radioactivity from Hydroxylbastnasite-(La) - 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 / 7.44 cm 1,441,022 3.89E-05 61,017.64 20.06
100 gm / 3.45 cm 144,102 3.89E-06 6,101.76 2.01
10 gm / 1.60 cm 14,410 3.89E-07 610.18 0.20
1 gm / 7.44 mm 1,441 3.89E-08 61.02 0.02
0.1 gm / 3.45 mm 144 3.89E-09 6.10 0.00
0.01 gm / 1.60 mm 14 3.89E-10 0.61 0.00
0.001 gm / 0.74 mm 1 3.89E-11 0.06 0.00

Weight of pure Hydroxylbastnasite-(La) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.64 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 ( 3.22 % Th) From Sum REE Elements (64.33 % REE)
 

Hydroxylbastnasite-(La) Classification
Help on Dana Class: Dana Class: 16a.1.2.2 (16a)Carbonates - Hydroxyl or Halogen
  (16a.1)in the Bastnasite/Shynchysite/Parasite Groups
  (16a.1.2)Bastnasite Subgroup(Hydroxylbastnasite Series)
 
16a.1.2.1 Hydroxylbastnasite-(Ce) Ce(CO3)(OH) P 62c 6 m2
 
16a.1.2.2 Hydroxylbastnasite-(La) La(CO3)(OH) C 2221 2 2 2
 
16a.1.2.3 Hydroxylbastnasite-(Nd) Nd(CO3)(OH) P 62c 6 m2
Help on Strunz Class: Strunz Class: V/C.07-40 V - Nitrates, Carbonates and Borates
  V/C - Waterfree carbonates with unfamiliar anions
  V/C.07 - Bastnäsite-(Y) - Mineevite-(Y) series
 
V/C.07-10 Bastnasite-(Y) Y(CO3)F P 62c 6 m2
 
V/C.07-20 Bastnasite-(La) La(CO3)F P 62c 6 m2
 
V/C.07-30 Bastnasite-(Ce) Ce(CO3)F P 62c 6 m2
 
V/C.07-40 Hydroxylbastnasite-(La) La(CO3)(OH) C 2221 2 2 2
 
V/C.07-50 Hydroxylbastnasite-(Ce) Ce(CO3)(OH) P 62c 6 m2
 
V/C.07-60 Hydroxylbastnasite-(Nd) Nd(CO3)(OH) P 62c 6 m2
 
V/C.07-61 Kozoite-(Nd)! (Nd,La,Sm,Pr)(CO3)(OH) Pmcn 2/m 2/m 2/m
 
V/C.07-62 Kozoite-(La)! La(CO3)(OH) Pmcn 2/m 2/m 2/m
 
V/C.07-64 Horvathite-(Y)! NaY(CO3)F2 Pmcn 2/m 2/m 2/m
 
V/C.07-70 Parisite-(Ce) Ca(Ce,La)2(CO3)3F2 R 3 3
 
V/C.07-80 Parisite-(Nd) Ca(Nd,Ce,La)2(CO3)3F2 R 3 3
 
V/C.07-90 Rontgenite-(Ce) Ca2(Ce,La)3(CO3)5F3 R 3 3
 
V/C.07-100 Synchysite-(Y) CaY(CO3)2F C 2/c 2/m
 
V/C.07-110 Synchysite-(Ce) CaCe(CO3)2F C 2/c 2/m
 
V/C.07-120 Synchysite-(Nd) CaNd(CO3)2F Unk Ortho
 
V/C.07-130 Huanghoite-(Ce) BaCe(CO3)2F R 3m 3 2/m
 
V/C.07-140 Cebaite-(Ce) Ba3Ce2(CO3)5F2 C 2/m or C 2 Mono
 
V/C.07-150 Cebaite-(Nd)! Ba3(Nd,Ce)2(CO3)5F2 Unk Mono
 
V/C.07-154 Kukharenkoite-(La)! Ba2(La,Ce)(CO3)3F P 21/m 2/m
 
V/C.07-155 Kukharenkoite-(Ce)! Ba2Ce(CO3)3F P 21/m 2/m
 
V/C.07-160 Zhonghuacerite-(Ce) Ba2Ce(CO3)3F P 21/m 2/m
 
V/C.07-170 Cordylite-(Ce) Ba(Ce,La)2(CO3)3F2 P 63/mmc 6/m 2/m 2/m
 
V/C.07-175 Lukechangite-(Ce)! Na3Ce2(CO3)4F P 63/mmc 6/m 2/m 2/m
 
V/C.07-190 Mineevite-(Y) Na25Ba(Y,Gd,Dy)2(HCO3)4(CO3)11(SO4)2ClF2 P 63/m 6/m
 
V/C.07-200 Reederite-(Y)! Na15Y2(CO3)9(SO3F)Cl P 6 6
 
V/C.07-210 Micheelsenite! (Ca,Y)3Al[PO3OH,CO3](CO3)(OH)6·12(H2O) P 63 6
 

Other Hydroxylbastnasite-(La) Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.71,p1277,1986)
Help on See Also: See Also: Links to other databases for Hydroxylbastnasite-(La) :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

Search for Hydroxylbastnasite-(La) using:

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

Visit our Advertisers for Hydroxylbastnasite-(La) :

AA Mineral Specimens
B & L Fine Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
Heliodor
John Betts Fine Minerals
Mason's Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz
T G Fine Minerals
Wrights Rock Shop

Translate Hydroxylbastnasite-(La) Mineral Data :

Ask about Hydroxylbastnasite-(La) 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 Hydroxylbastnasite-(La) Specimen Label here :

Hydroxylbastnasite-(La)

La(CO3)(OH)
Dana No: 16a.1.2.2 Strunz No: V/C.07-40
Locality:

 

Notes:

 
 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links