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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Yukonite Mineral Data
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General Yukonite Information
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Chemical Formula: |
Ca7Fe+++11(AsO4)9O10•24.3(H2O) |
Composition: |
Molecular Weight = 2,742.90 gm |
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Calcium 10.23 % Ca 14.31 % CaO |
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Iron 22.40 % Fe 32.02 % Fe2O3 |
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Arsenic 24.58 % As 37.71 % As2O5 |
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Hydrogen 1.79 % H 15.96 % H2O |
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Oxygen 41.01 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Ca7Fe3+11(AsO4)9O10•24.3(H2O) |
Environment: |
Occurring as an alteration of As-rich minerals such as arsenopyrite, k�ttigite and parasymplesite in Ca-rich oxidizing environments. |
IMA Status: |
Valid Species (Pre-IMA) 1913 |
Locality: |
Tagish Lake, Yukon Territory, Canada. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Yukonite |
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Yukonite Image |
Images:
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Yukonite Crystallography
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Crystal System: |
Amorphous- No Crystals |
X Ray Diffraction: |
By Intensity(I/Io): 14.1(1), 2.79(0.6), 3.25(0.57),5.58(0.33), |
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Physical Properties of Yukonite
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Color: |
Brownish black, Dark red, Reddish brown. |
Density: |
2.8 |
Habit: |
Amorphous - No crystalline form or imitative shape. |
Hardness: |
2-3 - Gypsum-Calcite |
Luminescence: |
Non-fluorescent. |
Luster: |
Resinous |
Streak: |
light brown |
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Optical Properties of Yukonite
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Optical Data: |
NCalc= 1.69 - from Gladstone-Dale relationship (KC = 0.2463) where Ncalc=Dmeas*KC+1 |
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Calculated Properties of Yukonite
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Electron Density: |
Bulk Density (Electron Density)=2.72 gm/cc note: Specific Gravity of Yukonite =2.80 gm/cc. |
Fermion Index: |
Fermion Index = 0.0050856697 Boson Index = 0.9949143303 |
Photoelectric: |
PEYukonite = 24.41 barns/electron U=PEYukonite x rElectron Density= 66.48 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Yukonite is Not Radioactive |
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Yukonite Classification
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Dana Class: |
42.08.06.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.08)where (AB)7 (XO4)4 Zq � x(H2O) |
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(42.08.06)Dana Group |
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42.08.06.01 Yukonite Ca7Fe11(AsO4)9O10•24.3(H2O) None |
Strunz Class: |
08.DM.25 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DM -With large and medium-sized cations, (OH, etc.):RO4 > 2:1 |
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08.DM.25 Gutsevichite? Al3(PO4)2(OH)3•8(H2O) Unk Cubic |
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08.DM.25 Yukonite Ca7Fe11(AsO4)9O10•24.3(H2O) None |
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Other Yukonite Information
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References: |
NAME( Dana8) PHYS. PROP.(Dana) |
See Also: |
Links to other databases for Yukonite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
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Print or Cut-and-Paste your Yukonite Specimen Label here :
Yukonite
Ca7Fe+++11(AsO4)9O10•24.3(H2O)
Dana No: 42.08.06.01 Strunz No: 08.DM.25
Locality:
Notes:
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