| Gutsevichite Mineral Data |
[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts]
See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM]
Mineral News was founded some twenty years ago and has developed a following of
avid mineral collectors seeking timely information about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.
- 42.10.4.1 Gutsevichite ? Al3(PO4)2(OH)3·8(H2O) Unk Cubic
- VII/D.48-10 Gutsevichite Al3(PO4)2(OH)3·8(H2O) Unk Cubic
- VII/D.48-15 Santabarbaraite! Fe3(PO4)2(OH)3·5(H2O) None
- VII/D.48-20 Ferrisymplesite Fe3(AsO4)2(OH)3·5(H2O) None
- VII/D.48-40 Yukonite Ca7Fe11(AsO4)9O10·24.3(H2O) None
General Gutsevichite Information |
|||
 Chemical Formula: |
Al3(PO4)2(OH)3·8(H2O) | ||
| Composition: |
Molecular Weight = 466.03 gm | ||
| Aluminum 17.37 % Al 32.82 % Al2O3 | |||
| Phosphorus 13.29 % P 30.46 % P2O5 | |||
| Hydrogen 4.11 % H 36.72 % H2O | |||
| Oxygen 65.23 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Al3(PO4)2(OH)3·8(H2O) | ||
| Environment: |
In cavities in oxidized V-bearing shales. Discredited as being incompletly characterized. | ||
| IMA Status: |
Discredited IMA 1962 | ||
| Locality: |
NW Kazakhstan. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named in 1959 for V. P. Gutsevich, geologist in Kazakhstan. | ||
Gutsevichite Image | |||
|
Images:
|
|
||
Gutsevichite Crystallography |
|||
| Crystal System: |
IsometricSpace Group: Unk | ||
| X Ray Diffraction: |
By Intensity(I/Io): 4.08(1), 2.51(0.9), 1.82(0.8),1.45(0.7), 3.51(0.5), | ||
Physical Properties of Gutsevichite |
|||
| Color: |
Greenish brown, Yellow green, Dark brown. | ||
| Density: |
1.9 - 2, Average = 1.95 | ||
| Diaphaniety: |
Translucent | ||
| Habit: |
Concretionary - Rounded massive fine-grained materials. | ||
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. | ||
| Hardness: |
2.5 - Finger Nail | ||
| Luster: |
Waxy | ||
| Streak: |
white | ||
Optical Properties of Gutsevichite |
|||
| Gladstone-Dale: |
CI meas= -0.197 (Poor) - where the CI = (1-KPDmeas/KC) KPDmeas= 0.2974,KC= 0.2485 |
||
| Optical Data: |
Isotropic, n=1.56-1.6. | ||
Calculated Properties of Gutsevichite |
|||
| Electron Density: |
relectron=2.01 gm/cc |
||
| Fermion Index |
Fermion Index = 0.00031 Boson Index = 0.99969 |
||
| Photoelectric: |
PEGutsevichite = 1.23 barns/electron |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Gutsevichite is Not Radioactive |
||
Gutsevichite Classification |
|||
| Dana Class: |
42.10.4.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | ||
| (42.10)where (AB)3 (XO4)2 Zq · x(H2O) | |||
| (42.10.4)Dana Group | |||
| Strunz Class: |
VII/D.48-10 VII - Phosphates, Arsenates and Vanadates | ||
| VII/D - Water-bearing phosphates with unfamiliar anions, cations of very big and medium size: Al, Mg and Ca, Na, K | |||
| VII/D.48 - Gutsevichite - Yukonite series | |||
Other Gutsevichite Information |
|||
| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Gutsevichite : 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 Gutsevichite using: Visit our Advertisers for Gutsevichite : Translate Gutsevichite Mineral Data : Ask about Gutsevichite here : Print or Cut-and-Paste your Gutsevichite Specimen Label here :
|
||
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |