Fluoro-sodic-pedrizite Mineral Data

Fluoro-sodic-pedrizite Mineral Data

General Fluoro-sodic-pedrizite Information

Chemical Formula:

NaLi2(Mg2Al2Li)S5Si8O22F2

Composition:

Molecular Weight = 761.05 gm

Sodium 3.02 % Na 4.07 % Na₂O

Lithium 2.74 % Li 5.89 % Li₂O

Magnesium 6.39 % Mg 10.59 % MgO

Aluminum 7.09 % Al 13.40 % Al₂O₃

Silicon 29.52 % Si 63.16 % SiO₂

Oxygen 46.25 % O

Fluorine 4.99 % F 4.99 % F

- % F -2.10 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaLi₂Mg₂Al₂LiSi₈O₂₂F₂

Environment:

Amphibole group

IMA Status:

Proposed IMA 2004 (Dana # Added)

Locality:

Tastyg spodumene deposit, Tuva, Siberia, Russia Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

Synonym:

Clinoholmquistite

IMA2004-002

Fluoro-sodic-pedrizite Image

Images:

Click Here for Larger Fluoro-sodic-pedrizite Image

Fluoro-sodic-pedrizite Clinoholmquistite Magnesioclinoholmquistite

Comments: Dark blue fibrous clinoholmquistite with radiating structure, variety magnesioclinoholmquistite. Clinoholmsquitite may be a new aphibole, fluoro-sodic-pedrizite..
Location: Near Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fluoro-sodic-pedrizite Crystallography

Axial Ratios:

a:b:c =0.5322:1:0.2996

Cell Dimensions:

a = 9.357, b = 17.58, c = 5.267, Z = 2; beta = 102.37° V = 846.29 Den(Calc)= 2.99

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): 2.675(1), 3.002(0.66), 8.11(0.56),4.39(0.54), 3.371(0.43), 2.869(0.26),

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

Oberti R , Camara F , Ottolini L , American Mineralogist , 90 (2005) p.732-736, Clinoholmquistite discredited: The new amphibole end-member fluoro-sodic-pedrizite, sample from Tastyg spodumene deposit, Tuva, Siberia, Russia

Optical Properties of Fluoro-sodic-pedrizite

Optical Data:

NCalc= 1.62 - from Gladstone-Dale relationship (KC = 0.2085) where Ncalc=Dcalc*KC+1

Calculated Properties of Fluoro-sodic-pedrizite

Electron Density:

r_electron=2.95 gm/cc
note: r_{Fluoro-sodic-pedrizite}=2.99 gm/cc.

Fermion Index

Fermion Index = 0.02244
Boson Index = 0.97756

Photoelectric:

PE_{Fluoro-sodic-pedrizite}= 1.58 barns/electron
U=PE_{Fluoro-sodic-pedrizite} x r_electron= 4.66 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Fluoro-sodic-pedrizite is Not Radioactive

Fluoro-sodic-pedrizite Classification

Dana Class:

66.1.1.9c (66)Inosilicate Double-Width Unbranched Chains, W=2

(66.1)Dana Type

(66.1.1)Group 1, the Mg-Fe-Mn-Li amphiboles (Monoclinic)

66.1.1.1 Magnesiocummingtonite (Mg,Fe)7Si8O22(OH)2 C 2/m 2/m

66.1.1.2 Cummingtonite []Mg7Si8O22(OH)2 C 2/m 2/m

66.1.1.3 Grunerite []Fe7Si8O22(OH)2 C 2/m 2/m

66.1.1.3b Permanganogrunerite! []Mn4(Fe)3(Si8O22)(OH)2 C 2/m 2/m

66.1.1.4 Manganocummingtonite Na(Na,Mn)2(Mg4,Fe)5Si8O22(OH)2 C 2/m 2/m

66.1.1.5 Manganogrunerite []Mn2Fe5Si8O22(OH) C 2/m 2/m

66.1.1.6 Magnesioclinoholmquistite? Li2(Mg,Fe)3Al2Si8O22(OH)2 C 2/m 2/m

66.1.1.7 Clinoholmquistite? [](Li2Mg3Al2)Si8O22(OH)2 C 2/m 2/m

66.1.1.8 Clinoferroholmquistite [](Li2Fe3Al2)Si8O22(OH)2 C 2/m 2/m

66.1.1.8a Ferri-clinoholmquistite! []Li2Mg3(Fe3)2(Si8O22)(OH)2 C 2/m 2/m

66.1.1.8b Ferri-clinoferroholmquistite! []Li2(Fe2Fe3)Si8O22(OH)2 C 2/m 2/m

66.1.1.9 Sodic-ferripedrizite! Na(LiNa)(Fe2Mg2Li)Si8O22(OH,F)2 C 2/m 2/m

66.1.1.9a Ferripedrizite! NaLi2(Fe2Mg2Li)Si8O22(OH)2 C 2/m 2/m

66.1.1.9b Sodic-ferri-ferropedrizite! NaLi2(Fe2Fe3)Si8O22(OH)2 C 2/m 2/m

66.1.1.9c Fluoro-sodic-pedrizite ! NaLi2(Mg2Al2Li)S5Si8O22F2 C 2/m 2/m

Strunz Class:

VIII/FX.00-00 VIII - Silicates

VIII/FX - Unclassified Strunz Inosilicates

VIII/FX.00 - Group 4, the sodic amphiboles

Other Fluoro-sodic-pedrizite Information

References:

NAME( AmMin 90:732) PHYS. PROP.(AmMin 90:732) OPTIC PROP.(AmMin 90:732)

See Also:

Links to other databases for Fluoro-sodic-pedrizite :
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

Search for Fluoro-sodic-pedrizite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Fluoro-sodic-pedrizite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Fluoro-sodic-pedrizite Mineral Data :

Ask about Fluoro-sodic-pedrizite 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 Fluoro-sodic-pedrizite Specimen Label here :

Fluoro-sodic-pedrizite

NaLi2(Mg2Al2Li)S5Si8O22F2
Dana No: 66.1.1.9c Strunz No: VIII/FX.00-00
Locality:

Notes: