| Matveevite Mineral Data |
General Matveevite Information |
|||
| KTiMn2Fe+++2(PO4)4(OH)3·15(H2O) | |||
| Molecular Weight = 1,009.69 gm | |||
| Potassium 3.87 % K 4.66 % K2O | |||
| Titanium 4.74 % Ti 7.91 % TiO2 | |||
| Manganese 10.88 % Mn 14.05 % MnO | |||
| Iron 11.06 % Fe 15.82 % Fe2O3 | |||
| Phosphorus 12.27 % P 28.12 % P2O5 | |||
| Hydrogen 3.29 % H 29.44 % H2O | |||
| Oxygen 53.88 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| KTiMn2+2Fe3+2(PO4)4(OH)3·15(H2O) | |||
| The Mn end member in the series with paulkerrite. Decomposition product in granitic pegmatite. Discredited as equivalent to benyacarite. | |||
| Discredited IMA 1991 | |||
| Ilmenskih National Park, Ural Mountains, Russia. Link to MinDat.org Location Data. | |||
| Named in 1986 for K. K. Matveev (1875-1954). | |||
Search for Matveevite Images | |||
|
|
|
||
Matveevite Crystallography |
|||
| a:b:c =0.6052:1:0.5126 | |||
| a = 12.42, b = 20.52, c = 10.52, Z = 4; V = 2,681.11 Den(Calc)= 2.50 | |||
| OrthorhombicSpace Group: Pnam ro P na21 | |||
| By Intensity(I/Io): 6.23(1), 3.15(0.9), 10.4(0.9),7.5(0.8), 2.86(0.4), | |||
Physical Properties of Matveevite |
|||
| [010] Perfect | |||
| Colorless, White, Yellowish white. | |||
| 2.32 | |||
| Transparent to Translucent | |||
| Brittle - Irregular - Very brittle fracture producing irregular fragments | |||
| Platy - Sheet forms (e.g. micas). | |||
| 2.5 - Finger Nail | |||
| Vitreous - Pearly | |||
| white | |||
Optical Properties of Matveevite |
|||
| CI meas= 0.055 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.123 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2363,KPDmeas= 0.2546,KC= 0.2693 |
|||
| Biaxial (+), a=1.574, b=1.58, g=1.618, bire=0.0440 | |||
Calculated Properties of Matveevite |
|||
relectron=2.33 gm/cc |
|||
| Fermion Index = 0.00874 Boson Index = 0.99126 |
|||
PEMatveevite = 7.69 barns/electron |
|||
| GRapi = 56.21 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Matveevite |
|||
Matveevite Classification |
|||
| 42.11.21.3 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.11)where (AB)4 (XO4)3 Zq · x(H2O) | |||
| (42.11.21)Dana Group | |||
| VII/X.00-00 VII - Phosphates, Arsenates and Vanadates | |||
| VII/X - Unclassified Strunz Phosphates, Arsenates and Vanadates | |||
| VII/X.00 - Phosphate, Basic Hydrated | |||
Other Matveevite Information |
|||
| NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | |||
| Links to other databases for Matveevite : 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 Matveevite using: Visit our Advertisers for Matveevite : Translate Matveevite Mineral Data : Ask about Matveevite here : Print or Cut-and-Paste your Matveevite Specimen Label here :
|
|||