Mineralogy Database

Yukonite Mineral Data

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General Yukonite Information

Help on Chemical  Formula: Chemical Formula: Ca7Fe+++11(AsO4)9O10•24.3(H2O)
Help on Composition: Composition: Molecular Weight = 2,742.90 gm
   Calcium   10.23 %  Ca   14.31 % CaO
   Iron      22.40 %  Fe   32.02 % Fe2O3
   Arsenic   24.58 %  As   37.71 % As2O5
   Hydrogen   1.79 %  H    15.96 % H2O
   Oxygen    41.01 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca7Fe3+11(AsO4)9O10•24.3(H2O)
Help on Environment: Environment: Occurring as an alteration of As-rich minerals such as arsenopyrite, k�ttigite and parasymplesite in Ca-rich oxidizing environments.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1913
Help on Locality: Locality: Tagish Lake, Yukon Territory, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Yukonite Say YUKONITE

Yukonite Image

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Comments: dark red brown resinous yukonite on limonite.
Location: Venus Gold-Silver mine, Yukon Territory, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Yukonite Crystallography

Help on Crystal System: Crystal System: Amorphous- No Crystals
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 14.1(1), 2.79(0.6), 3.25(0.57),5.58(0.33),

Physical Properties of Yukonite

Help on Color: Color: Brownish black, Dark red, Reddish brown.
Help on Density: Density: 2.8
Help on Habit: Habit: Amorphous - No crystalline form or imitative shape.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Resinous
Help on Streak: Streak: light brown

Optical Properties of Yukonite

Help on Optical Data: Optical Data: NCalc= 1.69 - from Gladstone-Dale relationship (KC = 0.2463) where Ncalc=Dmeas*KC+1

Calculated Properties of Yukonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.72 gm/cc
note: Specific Gravity of Yukonite =2.80 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0050856697
Boson Index = 0.9949143303
Help on Photoelectric: Photoelectric: PEYukonite = 24.41 barns/electron
U=PEYukonite x rElectron Density= 66.48 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Yukonite is Not Radioactive

Yukonite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.08)where (AB)7 (XO4)4 Zq � x(H2O)
  (42.08.06)Dana Group Yukonite Ca7Fe11(AsO4)9O10•24.3(H2O) None
Help on  Strunz Class: Strunz Class: 08.DM.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DM -With large and medium-sized cations, (OH, etc.):RO4 > 2:1
08.DM.25 Gutsevichite? Al3(PO4)2(OH)3•8(H2O) Unk Cubic
08.DM.25 Yukonite Ca7Fe11(AsO4)9O10•24.3(H2O) None

Other Yukonite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana)
Help on See Also: 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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Dana No: Strunz No: 08.DM.25





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