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Matulaite Mineral Data + |
General Matulaite Information |
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| CaAl18(PO4)12(OH)20·28(H2O) | |||
| Molecular Weight = 2,509.98 gm | |||
| Calcium 1.60 % Ca 2.23 % CaO | |||
| Aluminum 19.35 % Al 36.56 % Al2O3 | |||
| Phosphorus 14.81 % P 33.93 % P2O5 | |||
| Hydrogen 3.05 % H 27.27 % H2O | |||
| Oxygen 61.19 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| CaAl18(PO4)12(OH)20·28(H2O) | |||
| Approved IMA 1980 | |||
| Link to MinDat.org Location Data. | |||
Matulaite Image | |||
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Matulaite Crystallography |
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| a:b:c =1.2215:1:0.6347 | |||
| a = 20.4, b = 16.7, c = 10.6, Z = 2; beta = 98.2° V = 3,574.29 Den(Calc)= 2.33 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c | |||
| By Intensity(I/Io): 9.96(1), 4.42(0.4), 6.37(0.4), | |||
Physical Properties of Matulaite |
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| [100] Perfect | |||
| Colorless, White. | |||
| 2.33 | |||
| Transparent to Translucent | |||
| 1 - Talc | |||
| Pearly | |||
| white | |||
Optical Properties of Matulaite |
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| CI meas= -0.057 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.057 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2485,KPDmeas= 0.2485,KC= 0.2352 |
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| Biaxial (-), b=1.576, g=1.582, , 2V(Meas)=60. | |||
Calculated Properties of Matulaite |
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relectron=2.37 gm/cc |
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| Fermion Index = 0.00031 Boson Index = 0.99969 |
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PEMatulaite = 1.53 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Matulaite is Not Radioactive |
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Matulaite Classification |
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| 42.13.3.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.13)Dana Type | |||
| (42.13.3)Dana Group | |||
| VII/D.50-10 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.50 - Matulaite - Morinite series | |||
Other Matulaite Information |
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| PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Matulaite : 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 -École des Mines de Paris Search for Matulaite using: Visit our Advertisers for Matulaite : Translate Matulaite Mineral Data : Ask about Matulaite here : Print or Cut-and-Paste your Matulaite Specimen Label here :
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