|
Wilhelmvierlingite Mineral Data + |
General Wilhelmvierlingite Information |
|||
| CaMn++Fe+++(PO4)2(OH)·2(H2O) | |||
| Molecular Weight = 393.84 gm | |||
| Calcium 10.18 % Ca 14.24 % CaO | |||
| Manganese 13.95 % Mn 18.01 % MnO | |||
| Iron 14.18 % Fe 20.27 % Fe2O3 | |||
| Phosphorus 15.73 % P 36.04 % P2O5 | |||
| Hydrogen 1.28 % H 11.44 % H2O | |||
| Oxygen 44.69 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| CaMn2+Fe3+(PO4)2(OH)·2(H2O) | |||
| Found with secondary phosphates in a pegmatite. | |||
| Approved IMA 1983 | |||
| Hagendorf pegmatite, Bavaria, Germany. Link to MinDat.org Location Data. | |||
| Named for William Vierling (1901-1995), Weiden, Bavaria, Germany. | |||
Wilhelmvierlingite Image | |||
|
|
|
||
Wilhelmvierlingite Crystallography |
|||
| a:b:c =0.8:1:0.3951 | |||
| a = 14.8, b = 18.5, c = 7.31, Z = 8; V = 2,001.48 Den(Calc)= 2.61 | |||
| Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bca | |||
| By Intensity(I/Io): 2.86(1), 9.34(0.7), 5(0.6), | |||
Physical Properties of Wilhelmvierlingite |
|||
| [010] Perfect | |||
| Brownish yellow, Yellow. | |||
| 2.58 | |||
| Transparent to Translucent | |||
| Aggregates - Made of numerous individual crystals or clusters. | |||
| Fibrous - Crystals made up of fibers. | |||
| Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | |||
| 4 - Fluorite | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Wilhelmvierlingite |
|||
| CI meas= -0.1 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.087 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2545,KPDmeas= 0.2575,KC= 0.2341 |
|||
| Biaxial (-), a=1.637, b=1.664, g=1.692, bire=0.0550 | |||
| light yellow. | |||
| light yellow. | |||
| dark yellow. | |||
Calculated Properties of Wilhelmvierlingite |
|||
relectron=2.57 gm/cc |
|||
| Fermion Index = 0.00335 Boson Index = 0.99665 |
|||
PEWilhelmvierlingite = 9.74 barns/electron |
|||
| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Wilhelmvierlingite is Not Radioactive |
|||
Wilhelmvierlingite Classification |
|||
| 42.11.1.5 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.11)where (AB)4 (XO4)3 Zq · x(H2O) | |||
| (42.11.1)Dana Group | |||
| VII/D.28-30 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.28 - Overite- Segelerite group | |||
Other Wilhelmvierlingite Information |
|||
| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | |||
| Links to other databases for Wilhelmvierlingite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 -École des Mines de Paris Search for Wilhelmvierlingite using: Visit our Advertisers for Wilhelmvierlingite : Translate Wilhelmvierlingite Mineral Data : Ask about Wilhelmvierlingite here : Print or Cut-and-Paste your Wilhelmvierlingite Specimen Label here :
|
|||