[Newest Minerals] [Mineral Auctions] [Mineral Gallery] The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame Visa, PayPal, and Mastercard are Welcomed General Meta-aluminite InformationAl2(SO4)(OH)4•5(H2O) |
Molecular Weight = 308.13 gm |
|
Aluminum 17.51 % Al 33.09 % Al2O3 |
|
Hydrogen 4.58 % H 40.93 % H2O |
|
Sulfur 10.41 % S 25.98 % SO3 |
|
Oxygen 67.50 % O |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
Al2(SO4)(OH)4•5(H2O) |
Approved IMA 1968 |
Fumerole uranium mine, Temple Mountain, San Rafael Swell, Every County, Utah, USA. Link to MinDat.org Location Data. |
Named as the lower hydrate of aluminite. |
| | Search for Meta-aluminite Images
|
|
| | Meta-aluminite Crystallographya:b:c =0.4698:1:0.4356 |
a = 7.93, b = 16.879, c = 7.353, Z = 4; beta = 106.74° V = 942.49 Den(Calc)= 2.17 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c ? |
By Intensity(I/Io): 4.48(1), 8.35(0.79), 4.36(0.67), |
| Physical Properties of Meta-aluminiteSnow white. |
1.85 - 2.18, Average = 2.01 |
Aggregates - Made of numerous individual crystals or clusters. |
Nodular - Tuberose forms having irregular protuberances over the surface. |
1-2 - Between Talc and Gypsum |
Silky |
white |
| Optical Properties of Meta-aluminiteCI meas= 0.007 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.078 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2338,KPDmeas= 0.2518,KC= 0.2536 Ncalc = 1.47 - 1.55 Biaxial (-), a=1.497, b=1.512, g=1.513, bire=0.0160 |
| Calculated Properties of Meta-aluminiteBulk Density (Electron Density)=2.09 gm/cc |
note: Specific Gravity of Meta-aluminite =2.02 gm/cc. Fermion Index = 0.001111366 |
Boson Index = 0.998888634 PEMeta-aluminite = 1.25 barns/electron |
U=PEMeta-aluminite x rElectron Density= 2.61 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Meta-aluminite is Not Radioactive | Meta-aluminite Classification31.07.05.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen |
|
(31.07)where (A+ B++)2 (XO4) Zq·x(H2O) |
|
(31.07.05)Dana Group |
|
07.DC.05 07 - SULFATES (SELENATES, TELLURATES) |
|
07.D - Sulfates (selenates, etc.) with additional anions, with H2O |
|
07.DC -With only medium-sized cations; chains of corner-sharing octahedra |
|
|
| Other Meta-aluminite InformationNAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Meta-aluminite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - MinDAT 8 - MinMax(Deutsch) 9 - MinMax(English) 10 - Mineralienatlas (Deutsch) 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Meta-aluminite using: Visit our Advertisers for Meta-aluminite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Meta-aluminite Mineral Data : Ask about Meta-aluminite here : Print or Cut-and-Paste your Meta-aluminite Specimen Label here :
| |
|
| | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||