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Ammonioleucite Mineral Data + |
General Ammonioleucite Information |
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| (NH4,K)AlSi2O6 | |||
| Molecular Weight = 202.45 gm | |||
| Potassium 4.83 % K 5.82 % K2O | |||
| Aluminum 13.33 % Al 25.18 % Al2O3 | |||
| Silicon 27.75 % Si 59.36 % SiO2 | |||
| Hydrogen 1.49 % H - % Calc as (NH4)2O | |||
| Nitrogen 5.19 % N 9.65 % (NH4)2O | |||
| Oxygen 47.42 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| (NH4)0.75K0.25AlSi2O6 | |||
| In veinlets, fractures, and cavities in hydrothermally altered crystalline schist, as powdery pseudomorphous replacements of analcime crystals. | |||
| Approved IMA 1984 | |||
| In the Tatarazawa quarry, Fujioka, Gumma Prefecture, Japan. Link to MinDat.org Location Data. | |||
| For "ammonia" in its chemical composition and its relation to "leucite." | |||
| ICSD 54162 | |||
| PDF 40-474 | |||
Search for Ammonioleucite Images | |||
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Ammonioleucite Crystallography |
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| a:c = 1:1.03776 | |||
| a = 13.214, c = 13.713, Z = 16; V = 2,394.42 Den(Calc)= 2.25 | |||
| Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: I 41/a | |||
| By Intensity(I/Io): 5.43(1), 3.3(0.8), 5.53(0.5), | |||
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Physical Properties of Ammonioleucite |
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| White. | |||
| 2.29 | |||
| Translucent | |||
| 5.5-6 - Knife Blade-Orthoclase | |||
| Vitreous - Resinous | |||
| white | |||
Optical Properties of Ammonioleucite |
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| CI meas= -0.21 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.231 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2302,KPDmeas= 0.2262,KC= 0.187 |
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| Uniaxial (+), w=1.518, e=1.518, bire=0.0000. | |||
Calculated Properties of Ammonioleucite |
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relectron=2.31 gm/cc |
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| Fermion Index = 0.06488 Boson Index = 0.93512 |
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PEAmmonioleucite = 1.93 barns/electron |
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| GRapi = 70.20 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Ammonioleucite |
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Ammonioleucite Classification |
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| 76.2.2.2 (76)Tectosilicate Al-Si Framework | |||
| (76.2)Feldspathoids and related species | |||
| (76.2.2)Leucite group | |||
| VIII/J.05-20 VIII - Silicates | |||
| VIII/J - Tectosilicates (network) without anions unfamiliar to the tetraheders | |||
| VIII/J.05 - Leucite - Ammonioleucite series | |||
Other Ammonioleucite Information |
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| NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.71,p1022-1027,1986) OPTIC PROP.(Am.Min.,Vol.71,p1022-1027,1986) | |||
| Links to other databases for Ammonioleucite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Ammonioleucite using: Visit our Advertisers for Ammonioleucite : 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 Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Ammonioleucite Mineral Data : Ask about Ammonioleucite here : Print or Cut-and-Paste your Ammonioleucite Specimen Label here :
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