Jinshajiangite Mineral Data

[What's New] [Mineral Galleries] [About Us] [Contacts] [Login]
At AA Mineral Specimens, we source quality Mineral Specimens, Fossils, Gemstones,
Decorative Stones, Lapidary Material and Specimen Sets world-wide

General Jinshajiangite Information

Chemical Formula:

Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6

Composition:

Molecular Weight = 1,770.72 gm

Potassium 1.99 % K 2.39 % K₂O

Barium 8.53 % Ba 9.52 % BaO

Sodium 2.34 % Na 3.15 % Na₂O

Calcium 2.26 % Ca 3.17 % CaO

Zirconium 0.52 % Zr 0.70 % ZrO₂

Titanium 9.73 % Ti 16.24 % TiO₂

Manganese 10.24 % Mn 13.22 % MnO

Niobium 0.79 % Nb 1.13 % Nb₂O₅

Iron 16.08 % Fe 19.07 % FeO / 1.80 % Fe₂O₃

Silicon 12.69 % Si 27.15 % SiO₂

Hydrogen 0.07 % H 0.66 % H₂O

Oxygen 32.08 % O

Fluorine 2.68 % F 2.68 % F

- % F -1.13 % -O=F₂

______ ______

100.00 % 99.75 % = TOTAL OXIDE

Empirical Formula:

Na_1.8K_0.9Ba_1.1CaFe²⁺_4.7Mn²⁺_3.3Ti_3.6Fe³⁺_0.4Nb_0.15Zr_0.1Si₈O₃₂O_2.8F_2.5 (H₂O)_0.6(OH)_0.1

Environment:

Occurs in an albite-arfvedsontie dike in alkalic syenites.

IMA Status:

Approved IMA 1982

Locality:

Jinshajiang River, Sichuan Province, China. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Jinshajiangite + Pronunciation

Synonym:

IMA1981-061

Surkhobite

Jinshajiangite Image

Images:

Jinshajiangite

Comments: Reddish elongated junshajiangite grain to 0.3mm in matrix.
Location: Norra Karr, Sweden. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Jinshajiangite Crystallography

Axial Ratios:

a:b:c =0.775:1:1.5033

Cell Dimensions:

a = 10.732, b = 13.847, c = 20.817, Z = 4; beta = 95.05° V = 3,081.52 Den(Calc)= 3.82

Crystal System:

MonoclinicSpace Group: C 2/m,Cm,C 2

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

By Intensity(I/I_o): 3.44(1), 2.57(0.8), 3.15(0.8),

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

Rastsvetaeva R K , Chukanov N V , Rozenberg K , Crystallography Reports , 53 (2008) p.553-556, A crystal structure of jinshajiangite from the Norra Karr complex (Sweden), Locality: Norra Karr alkaline complex, Sweden

Physical Properties of Jinshajiangite

Cleavage:

{010} Perfect, {100} Perfect

Color:

Brown red, Yellow red, Black, Black red.

Density:

3.61

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Habit:

Tabular - Form dimensions are thin in one direction.

Habit:

Thin - Flat dimensioned crystals.

Hardness:

4.5-5 - Near Apatite

Luster:

Vitreous (Glassy)

Streak:

light yellow

Optical Properties of Jinshajiangite

Gladstone-Dale:

CI meas= 0.024 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.077 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2079,KPDmeas= 0.22,KC= 0.2254
Ncalc = 1.81 - 1.86

Optical Data:

Biaxial (+), a=1.729, b=1.802, g=1.852, bire=0.1230, 2V(Calc)=76, 2V(Meas)=72. Dispersion r < v.

Pleochroism (x):

light golden yellow.

Pleochroism (y):

brownish yellow.

Pleochroism (z):

brownish red.

Calculated Properties of Jinshajiangite

Electron Density:

Bulk Density (Electron Density)=3.44 gm/cc
note: Specific Gravity of Jinshajiangite =3.61 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_{Jinshajiangite}= 48.03 barns/electron
U=PE_{Jinshajiangite} x r_electron= 165.06 barns/cc.

Radioactivity:

GRapi = 27.29 (Gamma Ray American Petroleum Institute Units)
Concentration of Jinshajiangite per GRapi unit = 3.66 (%)

Estimated Radioactivity from Jinshajiangite - barely detectable

Jinshajiangite Classification

Dana Class:

78.01.05.01 (78)Unclassified silicates

(78.01)possible nesosilicates

(78.01.05)Jinshianghite group

78.01.05.01 Jinshajiangite Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6 C 2/m,Cm,C 2 Mono

78.01.05.02 Perraultite (Na,Ca)2(Ba,K)2(Mn,Fe)8(Ti,Nb)4Si8O32(OH,F,O)6 C 2 2

Strunz Class:

09.BE.67 09 - SILICATES (Germanates)

09.B - Sorosilicates

09.BE -Si2O7 groups with additional anions;

09.BE.67 Jinshajiangite Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6 C 2/m,Cm,C 2 Mono

09.BE.67 Perraultite (Na,Ca)2(Ba,K)2(Mn,Fe)8(Ti,Nb)4Si8O32(OH,F,O)6 C 2 2

09.BE.67 Surkhobite KBa3Ca2Na2(Mn,Fe,Fe)16Ti8(Si2O7)8O8(OH)4(F,O,OH)8 C 2 2

Other Jinshajiangite Information

References:

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

See Also:

Links to other databases for Jinshajiangite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Jinshajiangite using:

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

Visit our Advertisers for Jinshajiangite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Jinshajiangite Mineral Data :

Ask about Jinshajiangite 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 Jinshajiangite Specimen Label here :

Jinshajiangite

Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6
Dana No: 78.01.05.01 Strunz No: 09.BE.67
Locality:

Notes: