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Hingganite-(Y) Mineral Data

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General Hingganite-(Y) Information

Help on Chemical  Formula: Chemical Formula: Y2([ ])Be2Si2O8(OH)2
Help on Composition: Composition: Molecular Weight = 433.65 gm
   Calcium         2.59 %  Ca    3.62 % CaO
   Lanthanum       0.32 %  La    0.38 % La2O3
   Cerium          1.29 %  Ce    1.51 % Ce2O3
   Praeseodymium   0.32 %  Pr    0.38 % Pr2O3
   Samarium        1.04 %  Sm    1.21 % Sm2O3
   Gadolinium      2.18 %  Gd    2.51 % Gd2O3
   Dysprosium      2.25 %  Dy    2.58 % Dy2O3
   Yttrium        24.81 %  Y    31.50 % Y2O3
   Holmium         1.14 %  Ho    1.31 % Ho2O3
   Erbium          1.54 %  Er    1.76 % Er2O3
   Thulium         0.39 %  Tm    0.44 % Tm2O3
   Lutetium        0.81 %  Lu    0.92 % Lu2O3
   Terbium         0.37 %  Tb    0.42 % Tb2O3
   Ytterbium       2.00 %  Yb    2.27 % Yb2O3
   Beryllium       4.30 %  Be   11.94 % BeO
   Iron            2.96 %  Fe    3.81 % FeO
   Silicon        13.41 %  Si   28.68 % SiO2
   Hydrogen        0.36 %  H     3.22 % H2O
   Neodymium       2.00 %  Nd    2.33 % Nd2O3
   Oxygen         35.94 %  O
                 ______        ______ 
                 100.00 %      100.79 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y1.21Ca0.28Nd0.06Gd0.06Dy0.06Yb0.05Er0.04Ce0.04Sm0.03Ho0.03Lu0.02Pr0.01Tm0.01Tb0.01La0.01 Fe2+0.23Be2.07Si2.07O8.19(OH)1.55
Help on Environment: Environment: In a Be-and REE-bearing granophyre in Manchuria, China.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Heilonghiang, and greater Khingan (Hinggan) area, Manchuria, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for it's locality.
Help on Name Pronunciation: Name Pronunciation: Hingganite-(Y) + Pronunciation Say HINGGANITE-(Y)
Help on Synonym: Synonym: Yberisilite
  Yttroceberite
  Yttroceberysite-(Y)
 

Hingganite-(Y) Image

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  Hingganite-(Y)

Comments: Group of prismatic hingganite-(Y) crystals.
Location: Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy. Scale: Crystal Size 2 mm.
© Sergey Vasiliev / Systematic Mineralogy

Hingganite-(Y) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.2988:1:0.6232
Help on Cell Dimensions: Cell Dimensions: a = 9.883, b = 7.6091, c = 4.7423, Z = 2; beta = 90.342° V = 356.62 Den(Calc)= 4.04
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.84(1), 3.11(0.8), 3.12(0.8),2.54(0.5), 2.55(0.5), 2.2(0.3), 1.97(0.3),
 

Physical Properties of Hingganite-(Y)

Help on Cleavage: Cleavage: None
Help on Color: Color: Green, Yellow brown, White, Light blue, Light yellow.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
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 (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Hingganite-(Y)

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.01 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1874,KC= 0.1892
Ncalc = 1.76
Help on Optical Data: Optical Data: Biaxial (+), a=1.744-1.748, b=1.752-1.765, g=1.75-1.783, bire=0.0060-0.0350, 2V(Meas)=80. Dispersion r
 

Calculated Properties of Hingganite-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.79 gm/cc
note: Specific Gravity of Hingganite-(Y) =4.04 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.09
Boson Index = 0.91
Help on Photoelectric: Photoelectric: PEHingganite-(Y) = 148.12 barns/electron
U=PEHingganite-(Y) x relectron= 560.87 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 15,712.53 (Gamma Ray American Petroleum Institute Units)
Concentration of Hingganite-(Y) per GRapi unit = 63.64 (PPM)

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

Estimated Radioactivity from Hingganite-(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 / 7.79 cm 352,038 9.51E-06 15,712.53 5.17
100 gm / 3.62 cm 35,204 9.51E-07 1,571.25 0.52
10 gm / 1.68 cm 3,520 9.51E-08 157.13 0.05
1 gm / 7.79 mm 352 9.51E-09 15.71 0.01
0.1 gm / 3.62 mm 35 9.51E-10 1.57 0.00
0.01 gm / 1.68 mm 4 9.51E-11 0.16 0.00
0.001 gm / 0.78 mm 0 9.51E-12 0.02 0.00

Weight of pure Hingganite-(Y) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.04 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 ( 0.78 % Th) From Sum REE Elements (15.64 % REE)
 

Hingganite-(Y) Classification

Help on  Dana Class: Dana Class: 54.02.01a.03 (54)Nesosilicate Borosilicates and Some Beryllosilicates
  (54.02)with B in [4] coordination
  (54.02.01a)Datolite group (Datolite series)
 
54.02.01a.01 Datolite CaBSiO4(OH) P 21/c 2/m
 
54.02.01a.02 Hingganite-(Ce) (Ce,Ca)2([],Fe)Be2Si2O8[(OH),O]2 P 21/a 2/m
 
54.02.01a.03 Hingganite-(Y) Y2([])Be2Si2O8(OH)2 P 21/a 2/m
 
54.02.01a.04 Hingganite-(Yb) (Yb,Y)2([])Be2Si2O8(OH)2 P 21/a 2/m
 
54.02.01a.05 Calcybeborosilite-(Y)! (REE,Ca)2[](B,Be)2(SiO4)2(OH,O)2 P 21/a 2/m
Help on  Strunz Class: Strunz Class: 09.AJ.20 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AJ -Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra,
 
09.AJ.20 Bakerite Ca4B4(BO4)(SiO4)3(OH)3•(H2O) P 21/c 2/m
 
09.AJ.20 Calcybeborosilite-(Y)! (REE,Ca)2[](B,Be)2(SiO4)2(OH,O)2 P 21/a 2/m
 
09.AJ.20 Calciogadolinite? CaREE(Fe)Be2Si2O10 P 21/a 2/m
 
09.AJ.20 Datolite CaBSiO4(OH) P 21/c 2/m
 
09.AJ.20 Hingganite-(Yb) (Yb,Y)2([])Be2Si2O8(OH)2 P 21/a 2/m
 
09.AJ.20 Homilite Ca2(Fe,Mg)B2Si2O10 P 21/a 2/m
 
09.AJ.20 Gadolinite-(Ce) (Ce,La,Nd,Y)2FeBe2Si2O10 P 21/c 2/m
 
09.AJ.20 Gadolinite-(Y) Y2FeBe2Si2O10 P 21/a 2/m
 
09.AJ.20 Hingganite-(Ce) (Ce,Ca)2([],Fe)Be2Si2O8[(OH),O]2 P 21/a 2/m
 
09.AJ.20 Hingganite-(Y) Y2([])Be2Si2O8(OH)2 P 21/a 2/m
 
09.AJ.20 Melanocerite-(Ce) (Ce,Th,Ca)5(Si,B)3O12(OH,F)•n(H2O)(?) Unk (HEX-R) Trig
 
09.AJ.20 Minasgeraisite-(Y) CaY2Be2Si2O10 P 21/a 2/m
 

Other Hingganite-(Y) Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8, AmMin v93:1688) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Hingganite-(Y) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
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 Hingganite-(Y) Specimen Label here :

Hingganite-(Y)

Y2([ ])Be2Si2O8(OH)2
Dana No: 54.02.01a.03 Strunz No: 09.AJ.20
Locality:

 

Notes:

 

 
   
 


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