Satterlyite Mineral Data

General Satterlyite Information

Chemical Formula:

(Fe++,Mg)2(PO4)(OH)

Composition:

Molecular Weight = 207.90 gm

Magnesium 5.85 % Mg 9.69 % MgO

Iron 40.29 % Fe 51.84 % FeO

Phosphorus 14.90 % P 34.14 % P₂O₅

Hydrogen 0.48 % H 4.33 % H₂O

Oxygen 38.48 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺_1.5Mg_0.5(PO₄)(OH)

Environment:

Found in phosphatic shales. Dimorph of wolfeite.

IMA Status:

Approved IMA 1978

Locality:

Big Fish River, NE YT, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for Jack Satterly (1906-), geologist at Ontario Department of Mines, Canada.

Name Pronunciation:

Satterlyite + Pronunciation

Synonym:

IMA1976-056

Satterlyite Image

Images:

Satterlyite

Comments: Cleaved nodule of brown crystalline satterlyite aggregate.
Location: Big Fish River, Yukon, Canada. Scale: 3 x 1.5 cm.
© Dave Barthelmy

Satterlyite Crystallography

Axial Ratios:

a:c = 1:0.4438

Cell Dimensions:

a = 11.355, c = 5.0394, Z = 6; V = 562.71 Den(Calc)= 3.68

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 3₁m

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

By Intensity(I/I_o): 2.473(1), 2.84(0.8), 3.52(0.7),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Kolitsch U , Andrut M , Giester G , European Journal of Mineralogy , 14 (2002) p.127-133, Satterlyite, (Fe,Mg)12(PO3OH)(PO4)5(OH,O)6: crystal structure, and infrared absorption spectra, Note: z-coordinate of O6 altered by author, August 2003.

Physical Properties of Satterlyite

Cleavage:

None

Color:

Light brown, Light yellow.

Density:

3.68

Diaphaneity:

Transparent

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Nodular - Tuberose forms having irregular protuberances over the surface.

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Hardness:

4.5-5 - Near Apatite

Luster:

Vitreous (Glassy)

Streak:

light yellow

Optical Properties of Satterlyite

Dichroism (e):

brownish yellow.

Dichroism (w):

pale yellow.

Gladstone-Dale:

CI meas= -0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.008 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1957,KPDmeas= 0.1957,KC= 0.194
Ncalc = 1.71

Optical Data:

Uniaxial (-), e=1.719, w=1.721, bire=0.0020.

Calculated Properties of Satterlyite

Electron Density:

Bulk Density (Electron Density)=3.58 gm/cc
note: Specific Gravity of Satterlyite =3.68 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Satterlyite= 12.91 barns/electron
U=PE_Satterlyite x rElectron Density= 46.16 barns/cc.

Radioactivity:

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

Satterlyite Classification

Dana Class:

41.06.04.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.06)where (A)2 (XO4) Zq

(41.06.04)Satterlyite Group

41.06.04.01 Satterlyite (Fe,Mg)2(PO4)(OH) P 3₁m 3m

41.06.04.02 Holtedahlite Mg12(PO3OH,CO3)(PO4)5(OH,O)6 P 3₁m 3m

Strunz Class:

08.BB.20 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BB -With only medium-sized cations, (OH, etc.):RO4 £ 1:1

08.BB.20 Holtedahlite Mg12(PO3OH,CO3)(PO4)5(OH,O)6 P 3₁m 3m

08.BB.20 Satterlyite (Fe,Mg)2(PO4)(OH) P 3₁m 3m

Other Satterlyite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8, AmMin v 87, p 1735) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Satterlyite :
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 (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Satterlyite using:

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

Visit our Advertisers for Satterlyite :

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

Ask about Satterlyite 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 Satterlyite Specimen Label here :

Satterlyite

(Fe++,Mg)2(PO4)(OH)
Dana No: 41.06.04.01 Strunz No: 08.BB.20
Locality:

Notes: