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Kainosite-(Y) Mineral Data

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General Kainosite-(Y) Information

Help on Chemical  Formula: Chemical Formula: Ca2(Y,Ce)2Si4O12(CO3)•(H2O)
Help on Composition: Composition: Molecular Weight = 664.14 gm
   Calcium   12.07 %  Ca   16.89 % CaO
   Cerium    10.55 %  Ce   12.36 % Ce2O3
   Yttrium   20.08 %  Y    25.50 % Y2O3
   Silicon   16.92 %  Si   36.19 % SiO2
   Hydrogen   0.58 %  H     5.15 % H2O
   Carbon     1.27 %  C     4.64 % CO2
   Oxygen    38.54 %  O
            ______        ______ 
            100.00 %      100.72 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Y1.5Ce0.5Si4O12(CO3)0.7•1.9(H2O)
Help on Environment: Environment: In vugs in pegmatites in granites and alkalic complexes.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1886
Help on Locality: Locality: At Igeltjern, on Island of Hiero (Hittero Island), Vest-Agder, Flekkerfjord, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "unusual", for its rarity and exotic composition.
Help on Name Pronunciation: Name Pronunciation: Kainosite-(Y) + Pronunciation Say KAINOSITE-(Y)
Help on Synonym: Synonym: Cenosite
  ICSD 67039
  PDF 14-322
 

Kainosite-(Y) Image

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  Kainosite-(Y)

Comments: Group of reddish brown kainosite-(Y) crystals on fluorite.
Location: Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy. Scale: Crystal Size 1.6 mm.
© Sergio Varvello / Mineral Service

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  Ferriallanite-(Ce)   Kainosite-(Y)

Comments: Short prismatic black crystals of ferriallanite-(Ce) in white slightly weathered kainosite-(Y). Orange prisms are zircons of the first generation. Fragment of the holotype specimen.
Location: Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia. Scale: Crystal Size 2 mm.
© Pavel M. Kartashov

Kainosite-(Y) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9092:1:0.4713
Help on Cell Dimensions: Cell Dimensions: a = 13.02, b = 14.32, c = 6.75, Z = 4; V = 1,258.51 Den(Calc)= 3.50
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmnb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.764(1), 6.52(1), 3.29(0.8),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 0 1) ( 0 2 1) ( 1 1 0) ( 5 4 0) ( 0 4 3) ( 1 0 0)

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Physical Properties of Kainosite-(Y)

Help on Cleavage: Cleavage: {110} Good
Help on Color: Color: Brown, Colorless, Green yellow, Yellow, Light yellow brown.
Help on Density: Density: 3.4 - 3.6, Average = 3.5
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Wheat Sheaf - Bundle shaped aggregates resembling wheat sheafs after hand reaping wheat.
Help on Hardness: Hardness: 5-6 - Between Apatite and Orthoclase
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: white
 

Optical Properties of Kainosite-(Y)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.025 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1941,KPDmeas= 0.1941,KC= 0.1992
Ncalc = 1.68 - 1.72
Help on Optical Data: Optical Data: Biaxial (-), a=1.662-1.665, b=1.682-1.689, g=1.687-1.692, bire=0.0250-0.0270, 2V(Calc)=38-52, 2V(Meas)=40. Dispersion strong, r < v.
 

Calculated Properties of Kainosite-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.37 gm/cc
note: Specific Gravity of Kainosite-(Y) =3.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0083875316
Boson Index = 0.9916124684
Help on Photoelectric: Photoelectric: PEKainosite-(Y) = 77.34 barns/electron
U=PEKainosite-(Y) x relectron= 260.46 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 10,825.85 (Gamma Ray American Petroleum Institute Units)
Concentration of Kainosite-(Y) per GRapi unit = 92.37 (PPM)

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

Estimated Radioactivity from Kainosite-(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 / 8.17 cm 236,288 6.39E-06 10,825.85 3.56
100 gm / 3.79 cm 23,629 6.39E-07 1,082.58 0.36
10 gm / 1.76 cm 2,363 6.39E-08 108.26 0.04
1 gm / 8.17 mm 236 6.39E-09 10.83 0.00
0.1 gm / 3.79 mm 24 6.39E-10 1.08 0.00
0.01 gm / 1.76 mm 2 6.39E-11 0.11 0.00
0.001 gm / 0.82 mm 0 6.39E-12 0.01 0.00

Weight of pure Kainosite-(Y) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.50 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 ( 0.53 % Th) From Sum REE Elements (10.55 % REE)
 

Kainosite-(Y) Classification

Help on  Dana Class: Dana Class: 60.02.01.01 (60)Cyclosilicate Four-Membered Rings
  (60.02)with other anion groups
  (60.02.01)Dana Group
 
60.02.01.01 Kainosite-(Y) Ca2(Y,Ce)2Si4O12(CO3)•(H2O) Pmnb 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.CF.10 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CF -[Si4O12]8- 4-membered single rings, with insular complex anions
 
09.CF.10 Kainosite-(Y) Ca2(Y,Ce)2Si4O12(CO3)•(H2O) Pmnb 2/m 2/m 2/m
 

Other Kainosite-(Y) Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic2)
Help on See Also: See Also: Links to other databases for Kainosite-(Y) :
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 (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

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Print or Cut-and-Paste your Kainosite-(Y) Specimen Label here :

Kainosite-(Y)

Ca2(Y,Ce)2Si4O12(CO3)•(H2O)
Dana No: 60.02.01.01 Strunz No: 09.CF.10
Locality:

 

Notes:

 

 
   
 


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