Yukonite Mineral Data

General Yukonite Information

Chemical Formula:

Ca7Fe+++11(AsO4)9O10•24.3(H2O)

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

Empirical Formula:

Ca₇Fe³⁺₁₁(AsO₄)₉O₁₀•24.3(H₂O)

Environment:

Occurring as an alteration of As-rich minerals such as arsenopyrite, köttigite 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

Yukonite Image

Images:

Yukonite

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

Crystal System:

Amorphous- No Crystals

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 14.1(1), 2.79(0.6), 3.25(0.57),5.58(0.33),

Physical Properties of Yukonite

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

Optical Properties of Yukonite

Optical Data:

NCalc= 1.69 - from Gladstone-Dale relationship (KC = 0.2463) where Ncalc=Dmeas*KC+1

Calculated Properties of Yukonite

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:

PE_Yukonite= 24.41 barns/electron
U=PE_Yukonite x rElectron Density= 66.48 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Yukonite is Not Radioactive

Yukonite Classification

Dana Class:

42.08.06.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.08)where (AB)7 (XO4)4 Zq · x(H2O)

(42.08.06)Dana Group

42.08.06.01 Yukonite Ca7Fe11(AsO4)9O10•24.3(H2O) None

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

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

Search for Yukonite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Yukonite :

A Bijoux Google Search for Yukonite
Adam's Minerals Google Search for Yukonite
Cape Minerals Google Search for Yukonite
Dakota Matrix Minerals Google Search for Yukonite
Excalibur Mineral Corp. Google Search for Yukonite
Exceptional Minerals Google Search for Yukonite
John Betts Fine Minerals Search for Yukonite
McDougall Minerals Google Search for Yukonite
Mineral News Website Link
Rock and Mineral Shows Google Search for Yukonite
Weinrich Minerals, Inc. Google Search for Yukonite

Ask about Yukonite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: