Rustumite Mineral Data + 
|
[Newest Minerals] [Rare Minerals] [Past Sale Items] [About Us] [A-Rocks Auctions]
T G Fine Minerals sells Australian Minerals from all the classic and current localities
We are one the most comprehensive sellers of these (Aussie) minerals in the world
Broken Hill specimens are our specialty along with fine worldwide minerals, Australian opals, fossils & gems
- 58.2.5.1 Rustumite Ca10(Si2O7)2(SiO4)Cl2(OH)2 C 2/c 2/m
- VIII/C.22-10 Dellaite Ca6Si3O11(OH)2 P1 1
- VIII/C.22-20 Rustumite Ca10(Si2O7)2(SiO4)Cl2(OH)2 C 2/c 2/m
General Rustumite Information |
|||
 Chemical Formula: |
Ca10(Si2O7)2(SiO4)Cl2(OH)2 | ||
| Composition: |
Molecular Weight = 934.12 gm | ||
| Calcium 42.90 % Ca 60.03 % CaO | |||
| Silicon 15.03 % Si 32.16 % SiO2 | |||
| Hydrogen 0.22 % H 1.93 % H2O | |||
| Chlorine 7.59 % Cl 7.59 % Cl | |||
| - % Cl -1.71 % -O=Cl2 | |||
| Oxygen 34.26 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca10(Si2O7)2(SiO4)Cl2(OH)2 | ||
| IMA Status: |
Approved IMA 1965 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 20160 | ||
| PDF 18-305 | |||
Rustumite Image | |||
|
Images:
|
|
||
Rustumite Crystallography |
|||
| Axial Ratios: |
a:b:c =0.4107:1:0.8361 | ||
| Cell Dimensions: |
a = 7.62, b = 18.55, c = 15.51, Z = 4; beta = 104.33° V = 2,124.14 Den(Calc)= 2.92 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.881(1), 3.028(1), 3.189(0.58), | ||
Physical Properties of Rustumite |
|||
| Cleavage: |
[100] Indistinct | ||
| Color: |
Colorless. | ||
| Density: |
2.835 | ||
| Diaphaniety: |
Transparent | ||
| Streak: |
white | ||
Optical Properties of Rustumite |
|||
| Optical Data: |
NCalc= 1.65 - from Gladstone-Dale relationship (KC = 0.2235) where Ncalc=Dcalc*KC+1 NCalc= 1.63 - from Gladstone-Dale relationship (KC = 0.2235) where Ncalc=Dmeas*KC+1 |
||
Calculated Properties of Rustumite |
|||
| Electron Density: |
relectron=2.91 gm/cc |
||
| Fermion Index |
Fermion Index = 0.00776 Boson Index = 0.99224 |
||
| Photoelectric: |
PERustumite = 6.33 barns/electron |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Rustumite is Not Radioactive |
||
Rustumite Classification |
|||
| Dana Class: |
58.2.5.1 (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups | ||
| (58.2)with cations in [6] and higher coordination; single and double groups (n=1,2) | |||
| (58.2.5)Dana Group | |||
| Strunz Class: |
VIII/C.22-20 VIII - Silicates | ||
| VIII/C - Sorosilicates, mixed structure with [SiO4]2- "inseln" and [Si2O7]6- groups | |||
| VIII/C.22 - Dellaite - Rustumite series | |||
Other Rustumite Information |
|||
| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Rustumite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Rustumite using: Visit our Advertisers for Rustumite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Rustumite Mineral Data : Ask about Rustumite here : Print or Cut-and-Paste your Rustumite Specimen Label here :
|
||
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |