|
Pascoite Mineral Data + |

General Pascoite Information |
|||
| Ca3V10O28·17(H2O) | |||
| Molecular Weight = 1,383.89 gm | |||
| Calcium 8.69 % Ca 12.16 % CaO | |||
| Vanadium 36.81 % V 65.71 % V2O5 | |||
| Hydrogen 2.48 % H 22.13 % H2O | |||
| Oxygen 52.03 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Ca3V5+10O28·17(H2O) | |||
| Sedimentary U-V deposits. | |||
| Valid Species (Pre-IMA) 1914 | |||
| Minasragra, Pasco Province, Peru. Link to MinDat.org Location Data. | |||
| Named for the locality | |||
| ICSD 14309 | |||
| PDF 21-171 | |||
Pascoite Image | |||
|
|
|
||
|
|
|
||
Pascoite Crystallography |
|||
| a:b:c =1.6575:1:1.0753 | |||
| a = 16.834, b = 10.156, c = 10.921, Z = 2; beta = 93.13° V = 1,864.34 Den(Calc)= 2.47 | |||
| Monoclinic - SphenoidalH-M Symbol (2) Space Group: C 2 | |||
| By Intensity(I/Io): 4.67(1), 5.5(1), 5.1(0.8), | |||
|
Mouse |
| ||
Physical Properties of Pascoite |
|||
| [010] Distinct | |||
| Yellow brown, Yellow orange, Red orange. | |||
| 1.87 | |||
| Translucent | |||
| Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | |||
| Encrustations - Forms crust-like aggregates on matrix. | |||
| Granular - Generally occurs as anhedral to subhedral crystals in matrix. | |||
| 2.5 - Finger Nail | |||
| Vitreous - Adamantine | |||
| yellow | |||
Optical Properties of Pascoite |
|||
| CI meas= -0.328 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.005 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.3259,KPDmeas= 0.4305,KC= 0.3242 |
|||
| Biaxial (-), a=1.775, b=1.815, g=1.825, bire=0.0500, 2V(Calc)=52, 2V(Meas)=50. Dispersion r > v very strong. | |||
| pale yellow. | |||
| yellow. | |||
| orange. | |||
Calculated Properties of Pascoite |
|||
relectron=2.44 gm/cc |
|||
| Fermion Index = 0.00129 Boson Index = 0.99871 |
|||
PEPascoite = 8.00 barns/electron |
|||
| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Pascoite is Not Radioactive |
|||
Pascoite Classification |
|||
| 47.2.1.1 (47)Vanadium Oxysalts | |||
| (47.2)(VmOn) | |||
| (47.2.1)Dana Group | |||
| IV/G.01-30 IV - Oxides | |||
| IV/G - Vanadiumoxides (with V4+/5+), group-vanadates | |||
| IV/G.01 - Group vanadate: Huemulite - Sherwoodite series | |||
Other Pascoite Information |
|||
| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | |||
| Links to other databases for Pascoite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Pascoite using: Visit our Advertisers for Pascoite : AA Mineral SpecimensB & L Fine Minerals 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 T G Fine Minerals Wrights Rock Shop Translate Pascoite Mineral Data : Ask about Pascoite here : Print or Cut-and-Paste your Pascoite Specimen Label here :
|
|||