General Spodiophyllite Information![]() (Na,K)4(Mg,Fe++)3(Fe+++,Al)2(Si8O24) |
![]() Molecular Weight = 910.57 gm |
|
Potassium 4.29 % K 5.17 % K2O |
|
Sodium 7.57 % Na 10.21 % Na2O |
|
Magnesium 6.01 % Mg 9.96 % MgO |
|
Aluminum 1.48 % Al 2.80 % Al2O3 |
|
Iron 13.80 % Fe 5.92 % FeO / 13.15 % Fe2O3 |
|
Silicon 24.68 % Si 52.79 % SiO2 |
|
Oxygen 42.17 % O |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
![]() Na3KMg2.25Fe2+0.75Fe3+1.5Al0.5Si8O24 |
![]() Related to tainiolite? |
![]() Discredited IMA 1998 (Mica Nomenclature Subcommittee) - Valid Species (PreIMA) 1900 |
![]() Narsarsuk, Julianehaab distr., southern Greenland. Link to MinDat.org Location Data. |
![]() Named from the Greek for SPODIOS (color ash) and PYLLON (leaf) habit. |
| | Spodiophyllite Image
|
![]()
|
Spodiophyllite Crystallography![]() Monoclinic |
| Physical Properties of Spodiophyllite![]() {001} Perfect |
![]() Ash gray. |
![]() 2.6 |
![]() Translucent to subtranslucent |
![]() Micaceous - Platy texture with "flexible" plates. |
![]() Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
![]() 3-3.5 - Calcite-Copper Penny |
![]() Pearly |
![]() white |
| Optical Properties of Spodiophyllite![]() NCalc= 1.57 - from Gladstone-Dale relationship (KC = 0.2176) where Ncalc=Dmeas*KC+1 |
| Calculated Properties of Spodiophyllite![]() Bulk Density (Electron Density)=2.56 gm/cc |
note: Specific Gravity of Spodiophyllite =2.60 gm/cc. ![]() Fermion Index = 0.02 |
Boson Index = 0.98 ![]() PESpodiophyllite = 5.76 barns/electron |
U=PESpodiophyllite x relectron= 14.74 barns/cc. ![]() |
GRapi = 60.96 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Spodiophyllite | Spodiophyllite Classification![]() 71.00.00.00 (71)Phyllosilicate Minerals |
|
(71.00)Without Dana Classification Numbers |
|
(71.00.00)Brittle Mica Group |
|
|
|
|
|
|
|
![]() 09.BX.00 09 - SILICATES (Germanates) |
|
09.B - Unclassified Strunz Phyllosilicates |
|
09.BX -Brittle Mica Group |
|
|
|
|
|
|
|
| Other Spodiophyllite Information![]() NAME( Ford32) PHYS. PROP.(Enc. of Minerals,1st ed.,1974) |
![]() Links to other databases for Spodiophyllite : |
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 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Spodiophyllite using: Visit our Advertisers for Spodiophyllite : A Bijoux Google Search for SpodiophylliteAdam's Minerals Google Search for Spodiophyllite Cape Minerals Google Search for Spodiophyllite Dakota Matrix Minerals Google Search for Spodiophyllite Excalibur Mineral Corp. Google Search for Spodiophyllite Exceptional Minerals Google Search for Spodiophyllite John Betts Fine Minerals Search for Spodiophyllite McDougall Minerals Google Search for Spodiophyllite Mineral News Website Link Rock and Mineral Shows Google Search for Spodiophyllite Weinrich Minerals, Inc. Google Search for Spodiophyllite Ask about Spodiophyllite here : Print or Cut-and-Paste your Spodiophyllite Specimen Label here :
| |
|
| |