Tainiolite Mineral Data

General Tainiolite Information

Chemical Formula:

KLiMg2Si4O10F2

Composition:

Molecular Weight = 404.98 gm

Potassium 9.65 % K 11.63 % K₂O

Lithium 1.71 % Li 3.69 % Li₂O

Magnesium 12.00 % Mg 19.90 % MgO

Silicon 27.74 % Si 59.35 % SiO₂

Oxygen 39.51 % O

Fluorine 9.38 % F 9.38 % F

- % F -3.95 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

KLiMg₂Si₄O₁₀F₂

Environment:

Nepheline-syenite pegmatites.

IMA Status:

Valid Species (Pre-IMA) 1900

Locality:

Narsarsuk, southern Greenland. Link to MinDat.org Location Data.

Name Origin:

Named from the Greek for "band" or "strip", inallusion to hte tabular habit of the crystals.

Name Pronunciation:

Tainiolite + Pronunciation

Synonym:

Taeniolite

Tainiolite Image

Images:

Tainiolite

Comments: Micaceous tainiolite aggregate.
Location: Magnet Cove, Hot Spring County, Arkansas, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tainiolite Crystallography

Axial Ratios:

a:b:c =0.577:1:1.1185

Cell Dimensions:

a = 5.231, b = 9.065, c = 10.14, Z = 2; beta = 99.86° V = 473.73 Den(Calc)= 2.84

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

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

By Intensity(I/I_o): 3.33(1), 9.95(0.9), 2.4(0.4),4.98(0.4), 3.11(0.3), 4.48(0.3), 4.51(0.3),

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

Toraya H , Iwai S , Marumo F , Hirao M , Zeitschrift fur Kristallographie , 146 (1977) p.73-83, The crystal structure of taeniolite, KLiMg2Si4O10F2, Note: this is the 1M polytype, Locality: synthetic

Physical Properties of Tainiolite

Cleavage:

{001} Perfect

Color:

Brownish, Colorless, Greenish brown.

Density:

2.9

Diaphaneity:

Transparent

Fracture:

Flexible - Flexible fragments.

Habit:

Foliated - Two dimensional platy forms.

Habit:

Micaceous - Platy texture with "flexible" plates.

Hardness:

2.5-3 - Finger Nail-Calcite

Luminescence:

Non-Fluorescent.

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Tainiolite

Gladstone-Dale:

CI meas= 0.058 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.038 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1941,KPDmeas= 0.1901,KC= 0.2018
Ncalc = 1.57 - 1.59

Optical Data:

Biaxial (-), a=1.522-1.54, b=1.553-1.57, g=1.553-1.57, bire=0.0300-0.0310, 2V(Calc)=0, 2V(Meas)=2-5. Dispersion r > v or r < v.

Pleochroism (x):

colorless.

Pleochroism (y):

colorless.

Pleochroism (z):

pale yellow.

Calculated Properties of Tainiolite

Electron Density:

Bulk Density (Electron Density)=2.81 gm/cc
note: Specific Gravity of Tainiolite =2.84 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Tainiolite= 2.36 barns/electron
U=PE_Tainiolite x r_electron= 6.62 barns/cc.

Radioactivity:

GRapi = 137.57 (Gamma Ray American Petroleum Institute Units)
Concentration of Tainiolite per GRapi unit = 0.73 (%)

Estimated Radioactivity from Tainiolite - barely detectable

Tainiolite Classification

Dana Class:

71.02.02b.09 (71)Phyllosilicate Sheets of Six-Membered Rings

(71.02)with 2:1 Layers

(71.02.02b)Mica Group (Biotite subgroup)

71.02.02b.01 Phlogopite KMg3(Si3Al)O10(F,OH)2 C 2/m 2/m

71.02.02b.01a Tetraferriphlogopite! KMg3FeSi3O10(OH)2 2/m

71.02.02b.01b Shirozulite! KMn3(AlSi3)O10(OH,F)2 C 2/m 2/m

71.02.02b.01c Fluorophlogopite! KMg3(AlSi3)O10F2 C 2/m 2/m

71.02.02b.02 Biotite* K(Mg,Fe)3[AlSi3O10(OH,F)2 C 2/m 2/m

71.02.02b.03 Annite KFe3AlSi3O10(OH,F)2 C 2/m 2/m

71.02.02b.03a Fluorannite! KFe3AlSi3O10F2 C 2/m 2/m

71.02.02b.04 Tetraferriannite K(Fe,Mg)3(Fe,Al)Si3O10(OH)2 C 2/m 2/m

71.02.02b.05 Siderophyllite KFe2Al(Al2Si2)O10(F,OH)2 C 2/m 2/m

71.02.02b.05a Eastonite! KMg2Al[Al2Si2O10](OH)2 2/m

71.02.02b.06 Hendricksite K(Zn,Mg,Mn)3Si3AlO10(OH)2 C 2/m 2/m

71.02.02b.07 Lepidolite K(Li,Al)3(Si,Al)4O10(F,OH)2 C 2/m,Cm Mono

71.02.02b.08 Polylithionite KLi2AlSi4O10(F,OH)2 C 2/m 2/m

71.02.02b.08a Trilithionite! KLi1.5Al1.5AlSi3O10F2 C 2/m 2/m

71.02.02b.08b Sokolovaite! CsLi2AlSi4O10F2 C 2/m, C 2 or Cm Mono

71.02.02b.09 Tainiolite KLiMg2Si4O10F2 C 2/m 2/m

71.02.02b.10 Zinnwaldite KLiFeAl(AlSi3)O10(F,OH)2 C 2/m 2/m

71.02.02b.11 Norrishite K(Mn2Li)Si4O10(O)2 C 2/m 2/m

71.02.02b.12 Masutomilite K(Li,Al,Mn)3[(Si,Al)4O10](F,OH)2 C 2/m 2/m

71.02.02b.13 Aspidolite NaMg3AlSi3O10(OH)2 C 2/m 2/m

71.02.02b.14 Wonesite (Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 C 2/m 2/m

71.02.02b.15 Preiswerkite NaMg2Al3Si2O10(OH)2 C 2/m 2/m

71.02.02b.16 Ephesite NaLiAl2(Al2Si2)O10(OH)2 C 2/c 2/m

71.02.02b.18 Suhailite! (NH4)Fe3(Si3Al)O10(OH)2 C 2/m? 2/m

Strunz Class:

09.EC.15 09 - SILICATES (Germanates)

09.E - Phyllosilicates

09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

09.EC.15 Boromuscovite KAl2(Si3B)O10(OH,F)2 C 2/m 2/m

09.EC.15 Celadonite K(Mg,Fe)(Fe,Al)[Si4O10](OH)2 C 2/m 2/m

09.EC.15 Chernykhite (Ba,Na)V,Al)2(Si,Al)4O10(OH)2 C 2/c 2/m

09.EC.15 Chromphyllite! (K,Ba)(Cr,Al)2[AlSi3O10](OH,F)2 C 2c 2/m

09.EC.15 Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2 C 2/m 2/m

09.EC.15 Aluminoceladonite! KAl(Mg,Fe)[]Si4O10(OH)2 2/m

09.EC.15 Ferroaluminoceladonite! K2Fe2Al2Si8O20(OH)4 C 2/m 2/m

09.EC.15 Ferroceladonite! K2FeFeSi8O20(OH)4 C 2/m 2/m

09.EC.15 Montdorite (K,Na)(Fe,Mn,Mg)2.5[Si4O10](F,OH)2 C 2/c 2/m

09.EC.15 Nanpingite Cs(Al,Mg,Fe,Li)2(Si3Al)O10(OH,F)2 C 2/c 2/m

09.EC.15 Tobelite (NH4,K)Al2(Si3Al)O10(OH)2 C 2/m 2/m

09.EC.15 Roscoelite K(V,Al,Mg)2AlSi3O10(OH)2 C 2/m 2/m

09.EC.15 Muscovite KAl2(Si3Al)O10(OH,F)2 C 2/m 2/m

09.EC.15 Paragonite NaAl2(Si3Al)O10(OH)2 C 2/c,Cc Mono

09.EC.15 Tainiolite KLiMg2Si4O10F2 C 2/m 2/m

09.EC.15 Chromceladonite! KCrMg(Si4O10)(OH)2 C 2 2

09.EC.15 Ganterite! [Ba0.5(Na,K)0.5]Al2(Si2.5Al1.5O10)(OH)2 C 2/c 2/m

Other Tainiolite Information

References:

NAME( Dana8) PHYS. PROP.(Dana) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Tainiolite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Tainiolite using:

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

Visit our Advertisers for Tainiolite :

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

Ask about Tainiolite 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 Tainiolite Specimen Label here :

Tainiolite

KLiMg2Si4O10F2
Dana No: 71.02.02b.09 Strunz No: 09.EC.15
Locality:

Notes: