Pumpellyite-(Fe ) Mineral Data

Pumpellyite-(Fe ) Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Newest Minerals] [Mineral Auctions] [Mineral Gallery]
The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame
Visa, PayPal, and Mastercard are Welcomed


General Pumpellyite-(Fe+++) Information

Help on Chemical Formula: Chemical Formula: Ca2Fe+++Al2(SiO4)(Si2O7)(OH,O)2•(H2O)
Help on Composition: Composition: Molecular Weight = 502.25 gm
   Calcium   15.96 %  Ca   22.33 % CaO
   Aluminum  10.74 %  Al   20.30 % Al2O3
   Iron      11.12 %  Fe   15.90 % Fe2O3
   Silicon   16.78 %  Si   35.89 % SiO2
   Hydrogen   0.80 %  H     7.17 % H2O
   Oxygen    44.60 %  O
            ______        ______ 
            100.00 %      101.59 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Fe3+Al2(SiO4)(Si2O7)(OH)2•(H2O)
Help on Environment: Environment: Metamorphic rocks.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: Langban, near Filipstad, Varmland, Sweden (actually the TL of julgoldite). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the American geologist, R. Pumpelly (1837-1923).
Help on Name Pronunciation: Name Pronunciation: Pumpellyite-(Fe+++) + Pronunciation Say PUMPELLYITE-(FE+++)
 

Pumpellyite-(Fe+++) Image

Click Here for Larger Pumpellyite-(Fe+++) Image in a New Browser Window Images:
Click Here for Larger Pumpellyite-(Fe+++) Image

Pumpellyite-(Fe+++)

Comments: Crystals of pumpellyite-(Fe+++), to 0.1 mm.
Location: Braen Stone Industry Quarry, Haledon, Passaic Co., New Jersey, USA. Scale: Crystal Length 0.1 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Pumpellyite-(Fe+++) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.4844:1:3.2179
Help on Cell Dimensions: Cell Dimensions: a = 8.825, b = 5.945, c = 19.131, Z = 4; beta = 97.45° V = 995.23 Den(Calc)= 3.35
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: A2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.9(1), 2.91(1), 3.79(0.9),2.19(0.7), 2.74(0.7), 4.38(0.7), 2.52(0.5), 4.68(0.5),
 

Physical Properties of Pumpellyite-(Fe+++)

Help on Cleavage: Cleavage: {001} Good, {100} Good
Help on Color: Color: Blue green, Olive green, Brown.
Help on Density: Density: 3.2
Help on Fracture: Fracture: Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Massive - Lamellar - Distinctly foliated fine-grained forms.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Pumpellyite-(Fe+++)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.098 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.138 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2051,KPDmeas= 0.2147,KC= 0.238
Ncalc = 1.76 - 1.8
Help on Optical Data: Optical Data: Biaxial (+), a=1.682, b=1.685, g=1.694, bire=0.0120
 

Calculated Properties of Pumpellyite-(Fe+++)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.19 gm/cc
note: Specific Gravity of Pumpellyite-(Fe+++) =3.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEPumpellyite-(Fe+++) = 6.19 barns/electron
U=PEPumpellyite-(Fe+++) x rElectron Density= 19.71 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pumpellyite-(Fe+++) is Not Radioactive
 

Pumpellyite-(Fe+++) Classification
Help on Dana Class: Dana Class: 58.02.02.06 (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
  (58.02)with cations in [6] and higher coordination; single and double groups (n=1,2)
  (58.02.02)Pumpellyite group
 
58.02.02.01 Julgoldite-(Fe++) Ca2Fe(Fe,Al)2(SiO4)(Si2O7)(OH)2•(H2O) C 2/m 2/m
 
58.02.02.02 Julgoldite-(Fe+++) Ca2Fe(Fe,Al)2(SiO4)(Si2O7)(O,OH)2•(H2O) A2/m 2/m
 
58.02.02.03 Okhotskite-(Mg)* Ca3(Mg,Mn)(Mn,Al,Fe)(SiO4)(Si2O7)(OH)2•(H2O) Mono
 
58.02.02.04 Okhotskite-(Mn++) Ca2(Mn,Mg)(Mn,Al,Fe)Si3O10(OH)4 A2/m 2/m
 
58.02.02.05 Pumpellyite-(Fe++) Ca2Fe(Al,Fe)2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
 
58.02.02.06 Pumpellyite-(Fe+++) Ca2FeAl2(SiO4)(Si2O7)(OH,O)2•(H2O) A2/m 2/m
 
58.02.02.07 Pumpellyite-(Mg) Ca2MgAl2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
 
58.02.02.08 Pumpellyite-(Mn++) Ca2(Mn,Mg)(Al,Mn,Fe)2(SiO4)(Si2O7(OH)2•(H2O) A2/m 2/m
 
58.02.02.09 Shuiskite Ca2(Mg,Al)(Cr,Al)2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
 
58.02.02.10 Poppiite! Ca2(V,Fe,Mg)(V,Al)2(Si,Al)3(O,OH)14 C 2/m 2/m
 
58.02.02.11 Pumpellyite-(Al)! Ca2(Al,Fe,Mg)Al2(SiO4)(Si2O7)(OH,O)2•H2O A2/m 2/m
Help on Strunz Class: Strunz Class: 09.BG.20 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BG -Sorosilicates with mixed SiO4 and Si2O7 groups;
 
09.BG.20 Julgoldite-(Fe++) Ca2Fe(Fe,Al)2(SiO4)(Si2O7)(OH)2•(H2O) C 2/m 2/m
 
09.BG.20 Julgoldite-(Fe+++) Ca2Fe(Fe,Al)2(SiO4)(Si2O7)(O,OH)2•(H2O) A2/m 2/m
 
09.BG.20 Pumpellyite-(Fe++) Ca2Fe(Al,Fe)2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
 
09.BG.20 Okhotskite-(Mg)* Ca3(Mg,Mn)(Mn,Al,Fe)(SiO4)(Si2O7)(OH)2•(H2O) Mono
 
09.BG.20 Okhotskite-(Mn++) Ca2(Mn,Mg)(Mn,Al,Fe)Si3O10(OH)4 A2/m 2/m
 
09.BG.20 Pumpellyite-(Fe+++) Ca2FeAl2(SiO4)(Si2O7)(OH,O)2•(H2O) A2/m 2/m
 
09.BG.20 Pumpellyite-(Mg) Ca2MgAl2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
 
09.BG.20 Pumpellyite-(Mn++) Ca2(Mn,Mg)(Al,Mn,Fe)2(SiO4)(Si2O7(OH)2•(H2O) A2/m 2/m
 
09.BG.20 Shuiskite Ca2(Mg,Al)(Cr,Al)2(SiO4)(Si2O7)(OH)2•(H2O) A2/m 2/m
 
09.BG.20 Pumpellyite-(Al)! Ca2(Al,Fe,Mg)Al2(SiO4)(Si2O7)(OH,O)2•H2O A2/m 2/m
 
09.BG.20 Poppiite! Ca2(V,Fe,Mg)(V,Al)2(Si,Al)3(O,OH)14 C 2/m 2/m
 

Other Pumpellyite-(Fe+++) Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Pumpellyite-(Fe+++) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Pumpellyite-(Fe+++) using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Pumpellyite-(Fe+++) :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Pumpellyite-(Fe+++) Mineral Data :

Ask about Pumpellyite-(Fe+++) 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 Espaņol

Print or Cut-and-Paste your Pumpellyite-(Fe+++) Specimen Label here :

Pumpellyite-(Fe+++)

Ca2Fe+++Al2(SiO4)(Si2O7)(OH,O)2•(H2O)
Dana No: 58.02.02.06 Strunz No: 09.BG.20
Locality:

 

Notes: