|
| Home | Crystal | jmol | jPOWD | Chem | X Ray | Dana | Strunz | Properties | A to Z | Images | Share | News | Help | About |
General Siderotil Information |
|||
 Chemical Formula: |
Fe++SO4•5(H2O) | ||
| Composition: |
Molecular Weight = 241.99 gm | ||
| Iron 23.08 % Fe 29.69 % FeO | |||
| Hydrogen 4.17 % H 37.22 % H2O | |||
| Sulfur 13.25 % S 33.09 % SO3 | |||
| Oxygen 59.51 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Fe2+(SO4)•5(H2O) | ||
| Environment: |
Dehydration of cuprian melanterite. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1891 | ||
| Locality: |
Idrija (Idria), Slovenia. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named from the Greek for iron, sideros, and for fiber, tilos, for its composition and structure. | ||
| Name Pronunciation: |
Siderotil + Pronunciation  |
||
Siderotil Image | |||
|
Images:
|
|
||
Siderotil Crystallography |
|||
| Axial Ratios: |
a:b:c =0.5888:1:0.57 | ||
| Cell Dimensions: |
a = 6.26, b = 10.63, c = 6.06, Z = 2; alpha = 97.25°, beta = 109.67°, gamma = 75° V = 363.85 Den(Calc)= 2.21 | ||
| Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 4.89(1), 3.73(0.8), 5.57(0.6), | ||
|
Crystal Structure:
Mouse |
| ||
Physical Properties of Siderotil |
|||
| Color: |
Yellowish, Yellowish white, White, Light green, Light green white. | ||
| Density: |
2.1 - 2.2, Average = 2.15 | ||
| Diaphaneity: |
Transparent to Translucent | ||
| Hardness: |
2.5 - Finger Nail | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Siderotil |
|||
| Gladstone-Dale: |
CI meas= -0.013 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.005 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2396,KPDmeas= 0.2441,KC= 0.2409 Ncalc = 1.51 - 1.53 |
||
| Optical Data: |
Biaxial (-), a=1.513-1.515, b=1.525-1.526, g=1.534-1.536, bire=0.0210, 2V(Calc)=80-86, 2V(Meas)=50. | ||
Calculated Properties of Siderotil |
|||
| Electron Density: |
Bulk Density (Electron Density)=2.24 gm/cc note: Specific Gravity of Siderotil =2.19 gm/cc. |
||
| Fermion Index: |
Fermion Index = 0.0061783514 Boson Index = 0.9938216486 |
||
| Photoelectric: |
PESiderotil = 7.46 barns/electron U=PESiderotil x rElectron Density= 16.75 barns/cc. |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Siderotil is Not Radioactive |
||
Siderotil Classification |
|||
| Dana Class: |
29.06.07.02 (29)Hydrated Acid and Sulfates | ||
| (29.06)where A XO4 · x(H2O) | |||
| (29.06.07)Chalchanthite Group (Triclinic: P-1) | |||
| Strunz Class: |
07.CB.20 07 - SULFATES (SELENATES, TELLURATES) | ||
| 07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O | |||
| 07.CB -With only medium-sized cations | |||
Other Siderotil Information |
|||
| References: |
NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Siderotil : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info 13 - WWW-MINCRYST Search for Siderotil using: Visit our Advertisers for Siderotil : A Bijoux Google Search for SiderotilAdam's Minerals Google Search for Siderotil Cape Minerals Google Search for Siderotil Dakota Matrix Minerals Google Search for Siderotil Excalibur Mineral Corp. Google Search for Siderotil Exceptional Minerals Google Search for Siderotil John Betts Fine Minerals Search for Siderotil McDougall Minerals Google Search for Siderotil Mineral News Website Link Rock and Mineral Shows Google Search for Siderotil Weinrich Minerals, Inc. Google Search for Siderotil Ask about Siderotil here : Print or Cut-and-Paste your Siderotil Specimen Label here :
|
||
