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Saryarkite-(Y) Mineral Data

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General Saryarkite-(Y) Information

Help on Chemical  Formula: Chemical Formula: Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7•6(H2O)
Help on Composition: Composition: Molecular Weight = 924.75 gm
   Calcium           4.33 %  Ca    6.06 % CaO
   La,Ce,Pr,Nd,Sm,   6.23 %  RE    7.27 % REE2O3
   Yttrium           3.85 %  Y     4.88 % Y2O3
   Thorium           7.53 %  Th    8.57 % ThO2
   Aluminum         14.59 %  Al   27.56 % Al2O3
   Silicon           6.68 %  Si   14.29 % SiO2
   Phosphorus        5.02 %  P    11.51 % P2O5
   Hydrogen          1.94 %  H    17.34 % H2O
   Sulfur            1.04 %  S     2.60 % SO3
   Oxygen           48.79 %  O
                   ______        ______ 
                   100.00 %      100.09 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaY0.4REE0.4Th0.3Al5(SiO4)2.2(PO4)1.5(SO4)0.3(OH)6.6�5.6(H2O)
Help on Environment: Environment: In Devonian propylitized felsic effusives and in altered granitic rocks associated with quartzites.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Sary-Arka, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Derivation of the name not given, probably for the locality; and for its high yttrium content.
Help on Name Pronunciation: Name Pronunciation: Saryarkite-(Y) + Pronunciation Say SARYARKITE-(Y)
 

Saryarkite-(Y) Image

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  Saryarkite-(Y)

Comments: Single grain of saryarkite-(Y).
Location: Akkuduk (White Well) occurrence, Mointy, Dzezkazgan Oblast', Kazakhstan. Scale: Not Given.
© Sergey Vasiliev / Systematic Mineralogy

Saryarkite-(Y) Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.79751
Help on Cell Dimensions: Cell Dimensions: a = 8.213, c = 6.55, Z = 1; V = 441.82 Den(Calc)= 3.48
Help on Crystal System: Crystal System: Tetragonal - Trapezohedral H-M Symbol (4 2 2) Space Group: P 4212,P 42212
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.854(1), 2.827(1), 3.014(1),
 

Physical Properties of Saryarkite-(Y)

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Density: Density: 3.07 - 3.15, Average = 3.11
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Greasy (Oily)
Help on Magnetism: Magnetism: Weakly magnetic
Help on Streak: Streak: white
 

Optical Properties of Saryarkite-(Y)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.088 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.185 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1761,KPDmeas= 0.1971,KC= 0.2162
Ncalc = 1.66 - 1.75
Help on Optical Data: Optical Data: Uniaxial (+), w=1.606, e=1.62, bire=0.0140.
 

Calculated Properties of Saryarkite-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.05 gm/cc
note: Specific Gravity of Saryarkite-(Y) =3.11 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESaryarkite-(Y) = 203.62 barns/electron
U=PESaryarkite-(Y) x relectron= 621.10 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 157,528.83 (Gamma Ray American Petroleum Institute Units)
Concentration of Saryarkite-(Y) per GRapi unit = 6.35 (PPM)

Saryarkite-(Y) 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) 193.09 ± 48.27 grams of pure Saryarkite-(Y) .

Estimated Radioactivity from Saryarkite-(Y) - strong
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 / 8.50 cm 3,372,854 9.12E-05 157,528.83 51.79
100 gm / 3.95 cm 337,285 9.12E-06 15,752.88 5.18
10 gm / 1.83 cm 33,729 9.12E-07 1,575.29 0.52
1 gm / 8.50 mm 3,373 9.12E-08 157.53 0.05
0.1 gm / 3.95 mm 337 9.12E-09 15.75 0.01
0.01 gm / 1.83 mm 34 9.12E-10 1.58 0.00
0.001 gm / 0.85 mm 3 9.12E-11 0.16 0.00

Weight of pure Saryarkite-(Y) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.11 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
 

Saryarkite-(Y) Classification

Help on  Dana Class: Dana Class: 53.02.01.01 (53)Nesosilicate Insular SiO4 Groups and Other Anions of Complex Cations
  (53.02)with (SO4), (CrO4), (PO4), etc.
  (53.02.01)Dana Group
 
53.02.01.01 Saryarkite-(Y) Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7•6(H2O) P 4212,P 42212 4 2 2
Help on  Strunz Class: Strunz Class: 08.DO.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DO -With CO3, SO4, SiO4
 
08.DO.25 Saryarkite-(Y) Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7•6(H2O) P 4212,P 42212 4 2 2
 

Other Saryarkite-(Y) Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(AntBidBlaNic2)
Help on See Also: See Also: Links to other databases for Saryarkite-(Y) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Saryarkite-(Y)

Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7•6(H2O)
Dana No: 53.02.01.01 Strunz No: 08.DO.25
Locality:

 

Notes:

 

 
   
 


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