General Hingganite-(Yb) Information Chemical Formula: |
(Yb,Y)2([ ])Be2Si2O8(OH)2 |
Composition: |
Molecular Weight = 453.70 gm |
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Yttrium 9.80 % Y 12.44 % Y2O3 |
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Ytterbium 38.14 % Yb 43.43 % Yb2O3 |
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Beryllium 3.97 % Be 11.03 % BeO |
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Silicon 12.38 % Si 26.49 % SiO2 |
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Hydrogen 0.44 % H 3.97 % H2O |
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Oxygen 35.26 % O |
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______ ______ |
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100.00 % 97.36 % = TOTAL OXIDE |
Empirical Formula: |
YbY0.5Be2Si2O8(OH)2 |
Environment: |
Found in an amazonite pegmatite on plumbomicrolite and violet fluorite as a product of very late-stage replacement reactions. |
IMA Status: |
Approved IMA 1983 |
Locality: |
Ploskororskaya, Keivy district, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for it's relationship to hingganite. |
Name Pronunciation: |
Hingganite-(Yb) + Pronunciation |
Synonym: |
ICSD 20628 |
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PDF 35-705 |
| | Search for Hingganite-(Yb) Images
Images:
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| | Hingganite-(Yb) Crystallography Axial Ratios: |
a:b:c =1.2998:1:0.6231 |
Cell Dimensions: |
a = 9.888, b = 7.607, c = 4.74, Z = 2; beta = 90.45° V = 356.52 Den(Calc)= 4.23 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
X Ray Diffraction: |
By Intensity(I/Io): 2.85(1), 3.13(1), 2.572(0.8), |
| Physical Properties of Hingganite-(Yb) Cleavage: |
None |
Color: |
Colorless. |
Density: |
4.83 |
Diaphaneity: |
Transparent |
Habit: |
Acicular - Occurs as needle-like crystals. |
Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
Habit: |
Spherical - Spherical, rounded aggregates. |
Hardness: |
6-7 - Orthoclase-Quartz |
Luster: |
Vitreous (Glassy) |
Streak: |
white |
| Optical Properties of Hingganite-(Yb) Gladstone-Dale: |
CI meas= 0.042 (Good) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.094 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1752,KPDmeas= 0.1534,KC= 0.1601 Ncalc = 1.68 - 1.77 Optical Data: |
Biaxial (+), a=1.725, b=1.738, g=1.76, bire=0.0350, 2V(Calc)=76, 2V(Meas)=65. |
| Calculated Properties of Hingganite-(Yb) Electron Density: |
Bulk Density (Electron Density)=4.42 gm/cc |
note: Specific Gravity of Hingganite-(Yb) =4.83 gm/cc. Fermion Index: |
Fermion Index = 0.16 |
Boson Index = 0.84 Photoelectric: |
PEHingganite-(Yb) = 383.32 barns/electron |
U=PEHingganite-(Yb) x relectron=1,693.54 barns/cc. Radioactivity: |
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GRapi = 37,212.55 (Gamma Ray American Petroleum Institute Units)
Hingganite-(Yb) 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)
817.38 ±204.34 grams of pure Hingganite-(Yb) .
Weight of pure Hingganite-(Yb) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.83 gm/cc.* | Hingganite-(Yb) Classification Dana Class: |
54.02.01a.04 (54)Nesosilicate Borosilicates and Some Beryllosilicates |
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(54.02)with B in [4] coordination |
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(54.02.01a)Datolite group (Datolite series) |
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Strunz Class: |
09.AJ.20 09 - SILICATES (Germanates) |
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09.A - Nesosilicates |
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09.AJ -Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, |
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| Other Hingganite-(Yb) Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Hingganite-(Yb) : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Ecole des Mines de Paris 4 - GeoScienceWorld 5 - Google Images 6 - Google Scholar 7 - MinDAT 8 - Mineralienatlas (Deutsch) 9 - Online Mineral Museum 10 - QUT Mineral Atlas 11 - Ruff.Info Search for Hingganite-(Yb) using: Visit our Advertisers for Hingganite-(Yb) : A Bijoux Google Search for Hingganite-(Yb)Adam's Minerals Google Search for Hingganite-(Yb) Cape Minerals Google Search for Hingganite-(Yb) Dakota Matrix Minerals Google Search for Hingganite-(Yb) Excalibur Mineral Corp. Google Search for Hingganite-(Yb) Exceptional Minerals Google Search for Hingganite-(Yb) John Betts Fine Minerals Search for Hingganite-(Yb) McDougall Minerals Google Search for Hingganite-(Yb) Mineral News Website Link Rock and Mineral Shows Google Search for Hingganite-(Yb) Weinrich Minerals, Inc. Google Search for Hingganite-(Yb) Ask about Hingganite-(Yb) here : Print or Cut-and-Paste your Hingganite-(Yb) Specimen Label here :
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