Kamphaugite-(Y) Mineral Data + Say KAMPHAUGITE-(Y)

General Kamphaugite-(Y) Information
Help on Chemical Formula: Chemical Formula: Ca(Y,REE)(CO3)2(OH)2·3(H2O)
Help on Composition: Composition: Molecular Weight = 364.61 gm
   Calcium          10.99 %  Ca   15.38 % CaO
   La,Ce,Pr,Nd,Sm,  19.75 %  RE   23.04 % REE2O3
   Yttrium          12.19 %  Y    15.48 % Y2O3
   Hydrogen          2.21 %  H    19.76 % H2O
   Carbon            6.59 %  C    24.14 % CO2
   Oxygen           48.27 %  O
                   ______        ______ 
                   100.00 %       97.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaY0.5REE0.5(CO3)2(OH)2·3(H2O)
Help on Environment: Environment: Secondary mineral in REE-bearing granites or alteration product of kuliokite-(Y).
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Hortekollen, Hoydalen, Oslo region, Norway Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Erling Kamphaug (1931-), Norwegian mineral collector.
Help on Synonym: Synonym: ICSD 66680
  IMA1987-043
  PDF 46-1399
 

Kamphaugite-(Y) Image

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Kamphaugite-(Y)

Comments: Small white crystals of kamphaugite-(Y).
Location: T?rdal (Hj?ndalen), Telemark, Norway. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Kamphaugite-(Y) Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.93153
Help on Cell Dimensions: Cell Dimensions: a = 7.434, c = 21.793, Z = 4; V = 1,204.38 Den(Calc)= 2.01
Help on Crystal System: Crystal System: Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: P 41212
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.14(1), 4.381(0.8), 3.516(0.6),
Click Here for Large Kamphaugite-(Y) Structure Window Crystal Structure:

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Romming C , Kocharian A K , Raade G , European Journal of Mineralogy , 5 (1993) p.685-690, The crystal structure of kamphaugite-(Y)

 

Physical Properties of Kamphaugite-(Y)

Help on Cleavage: Cleavage: None
Help on Color: Color: Brown, Colorless, White, Light yellow.
Help on Density: Density: 3.19
Help on Diaphaniety: Diaphaniety: Transparent
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Kamphaugite-(Y)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.552 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3209,KPDmeas= 0.2022,KC= 0.2068
Help on Optical Data: Optical Data: Uniaxial (-), e=1.627, w=1.663, bire=0.0360.
 

Calculated Properties of Kamphaugite-(Y)

Help on Electron Density: Electron Density:

relectron=3.11 gm/cc
note: rKamphaugite-(Y) =3.19 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.03784
Boson Index = 0.96216
Help on Photoelectric: Photoelectric:

PEKamphaugite-(Y) = 130.78 barns/electron
U=PEKamphaugite-(Y) x relectron= 407.32 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 20,640.01 (Gamma Ray American Petroleum Institute Units)

Kamphaugite-(Y) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Kamphaugite-(Y) - 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 / 8.43 cm 443,923 1.20E-05 20,640.01 6.79
100 gm / 3.91 cm 44,392 1.20E-06 2,064.00 0.68
10 gm / 1.82 cm 4,439 1.20E-07 206.40 0.07
1 gm / 8.43 mm 444 1.20E-08 20.64 0.01
0.1 gm / 3.91 mm 44 1.20E-09 2.06 0.00
0.01 gm / 1.82 mm 4 1.20E-10 0.21 0.00
0.001 gm / 0.84 mm 0 1.20E-11 0.02 0.00

Weight of pure Kamphaugite-(Y) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.19 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 ( 0.99 % Th) From Sum REE Elements (19.75 % REE)
 

Kamphaugite-(Y) Classification
Help on Dana Class: Dana Class: 16b.1.7.1 (16b)Carbonates - Hydroxyl or Halogen
  (16b.1)where (A)m (B)n (XO3)p Zq, with (m+n):p=1:1
  (16b.1.7)Dana Group
 
16b.1.7.1 Kamphaugite-(Y) Ca(Y,REE)(CO3)2(OH)2·3(H2O) P 41212 4 2 2
Help on Strunz Class: Strunz Class: V/E.08-10 V - Nitrates, Carbonates and Borates
  V/E - Water-bearing carbonates with unfamiliar anions
  V/E.08 - Strontiodresserite - Dundasite series
 
V/E.08-05 Thomasclarkite-(Y)! (Na,Ce)(Y,REE)(HCO3)(OH)3·4(H2O) P 2 2
 
V/E.08-10 Kamphaugite-(Y) Ca(Y,REE)(CO3)2(OH)2·3(H2O) P 41212 4 2 2
 
V/E.08-20 Calcio-ancylite-(Ce) CaCe(CO3)2(OH)·(H2O) P mmm 2/m 2/m 2/m
 
V/E.08-25 Calcio-ancylite-(Nd) CaNd(CO3)2(OH)·(H2O) Pm m
 
V/E.08-28 Ancylite-(La)! Sr(La,Ce)(CO3)2(OH)·(H2O) Pmcn 2/m 2/m 2/m
 
V/E.08-30 Ancylite-(Ce) SrCe(CO3)2(OH)·(H2O) Pmcn 2/m 2/m 2/m
 
V/E.08-40 Gysinite-(Nd) Pb(Nd,La)(CO3)2(OH)·(H2O) Pmcn 2/m 2/m 2/m
 
V/E.08-50 Strontiodresserite (Sr,Ca)Al2(CO3)2(OH)4·(H2O) Pbmm 2/m 2/m 2/m
 
V/E.08-60 Dresserite BaAl2(CO3)2(OH)4·(H2O) Pbmm 2/m 2/m 2/m
 
V/E.08-70 Hydrodresserite BaAl2(CO3)2(OH)4·3(H2O) P1 1
 
V/E.08-80 Montroyalite Sr4Al8(CO3)3(OH,F)26·10-11(H2O) Unk. Tri
 
V/E.08-90 Dundasite PbAl2(CO3)2(OH)4·(H2O) Pbmm 2/m 2/m 2/m
 
V/E.08-95 Petterdite! PbCr2(CO3)2(OH)4·H2O Pbnm 2/m 2/m 2/m
 
V/E.08-100 Barstowite Pb4(CO3)Cl6·(H2O) P 21/m 2/m
 

Other Kamphaugite-(Y) Information
Help on References: References: NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)
Help on See Also: See Also: Links to other databases for Kamphaugite-(Y) :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST

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Kamphaugite-(Y)

Ca(Y,REE)(CO3)2(OH)2·3(H2O)
Dana No: 16b.1.7.1 Strunz No: V/E.08-10
Locality:

 

Notes:

 
 
   
 
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