Lunijianlaite Mineral Data +

Fabre Minerals

General Lunijianlaite Information
Chemical Formula:	LiAl6(Si7Al)O20(OH)10
Composition:	Molecular Weight = 882.47 gm
	Lithium    0.79 %  Li    1.69 % Li2O
	Aluminum  21.40 %  Al   40.44 % Al2O3
	Silicon   22.28 %  Si   47.66 % SiO2
	Hydrogen   1.14 %  H    10.21 % H2O
	Oxygen    54.39 %  O
	______        ______
	100.00 %      100.00 % = TOTAL OXIDE
Empirical Formula:	LiAl7Si7O20(OH)10
Environment:	Hydrothermally altered rhyolite.
IMA Status:	Approved IMA 1990
Locality:	Qingtian, Zhejiang Province, China. Link to MinDat.org Location Data.
Name Origin:	Named for "chlorite alternating with pyrophyllite".
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Lunijianlaite Crystallography
Axial Ratios:	a:b:c =0.5674:1:2.6083
Cell Dimensions:	a = 5.09, b = 8.97, c = 23.397, Z = 2; beta = 90° V = 1,068.24 Den(Calc)= 2.74
Crystal System:	MonoclinicSpace Group: Unk
X Ray Diffraction:	By Intensity(I/Io): 4.704(1), 3.343(0.47), 3.539(0.45),
Physical Properties of Lunijianlaite
Cleavage:	[001] Perfect
Color:	Colorless, White.
Density:	2.75
Diaphaniety:	Transparent
Habit:	Inclusions - Generally found as inclusions in other minerals.
Habit:	Lamellar - Thin laminae producing a lamellar structure.
Hardness:	2 - Gypsum
Luster:	Vitreous - Pearly
Streak:	white
Optical Properties of Lunijianlaite
Gladstone-Dale:	CI meas= 0.05 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.046 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2124,KPDmeas= 0.2116,KC= 0.2227
Optical Data:	Biaxial (-), a=1.576, b=1.583, g=1.587, bire=0.0110, 2V(Calc)=72, 2V(Meas)=61.
Calculated Properties of Lunijianlaite
Electron Density:	relectron=2.74 gm/cc note: rLunijianlaite =2.74 gm/cc.
Fermion Index	Fermion Index = 0.01125 Boson Index = 0.98875
Photoelectric:	PELunijianlaite = 1.51 barns/electron U=PELunijianlaite x relectron= 4.14 barns/cc.
Radioactivity:	GRapi = 0 (Gamma Ray American Petroleum Institute Units) Lunijianlaite is Not Radioactive
Lunijianlaite Classification
Dana Class:	71.4.2.2 (71)Phyllosilicate Sheets of Six-Membered Rings
	(71.4)interlayered 1:1, 2:1, and octahedra
	(71.4.2)Interstratified Chlorite-Smectite group
	71.4.2.1 Dozyite (Mg7Al2)(Si4Al2)O15(OH)12 Cm m
	71.4.2.2 Lunijianlaite LiAl6(Si7Al)O20(OH)10 Unk Mono
	71.4.2.3 Saliotite Na0.5Li0.5Al3AlSi3O10(OH)5 C 2/m 2/m
	71.4.2.4 Tosudite Na0,5(Al,Mg)6(Si,Al)8O18(OH)12·5(H2O) Unk Ortho
	71.4.2.5 Corrensite (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·n(H2O) Unk Ortho
	71.4.2.6 Kulkeite Na0.35Mg8AlSi7O20(OH)10 Unk Mono
	71.4.2.7 Rectorite (Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O) Unk Mono
	71.4.2.8 Aliettite [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe)2-3(Si,Al)4O10(OH)2·n(H2O) Unk Mono
	71.4.2.9 Glagolevite! NaMg6[Si3AlO10](OH,O)8·H2O C1 1
Strunz Class:	VIII/H.18-05 VIII - Silicates
	VIII/H - Phyllosilicates (layered) Mica like with [Si4O10]4- and related groups
	VIII/H.18 - Smectite/Montmorillonite group
	VIII/H.18-05 Lunijianlaite LiAl6(Si7Al)O20(OH)10 Unk Mono
	VIII/H.18-07 Saliotite Na0.5Li0.5Al3AlSi3O10(OH)5 C 2/m 2/m
	VIII/H.18-10 Kulkeite Na0.35Mg8AlSi7O20(OH)10 Unk Mono
	VIII/H.18-20 Aliettite [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe)2-3(Si,Al)4O10(OH)2·n(H2O) Unk Mono
	VIII/H.18-30 Rectorite (Na,Ca)Al4(Si,Al)8O20(OH)4·2(H2O) Unk Mono
	VIII/H.18-50 Tosudite Na0,5(Al,Mg)6(Si,Al)8O18(OH)12·5(H2O) Unk Ortho
	VIII/H.18-60 Corrensite (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10·n(H2O) Unk Ortho
	VIII/H.18-70 Hydrobiotite [K(Mg,Fe)3(Al,Fe)Si3O10(OH,F)2]·[(Mg,Fe,Al)3(Si,Al)4O10(OH)2·4(H2O)] C 2/m 2/m
Other Lunijianlaite Information
References:	NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
See Also:	Links to other databases for Lunijianlaite : 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 -École des Mines de Paris Search for Lunijianlaite using:   Web webmineral.com [ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO] Visit our Advertisers for Lunijianlaite : AA Mineral Specimens B & L Fine Minerals Crystal Vaults 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 Lunijianlaite Mineral Data : Ask about Lunijianlaite here : Ask-A-Mineralogist from the Mineralogical Society of America Mindat.org's Discussion Groups Original Rockhounds Discussion Group Rockhounds Discussion Group on Yahoo Groups Mineral Discussion Forum from Fabre Minerals - also available in Español Print or Cut-and-Paste your Lunijianlaite Specimen Label here : Lunijianlaite LiAl6(Si7Al)O20(OH)10 Dana No: 71.4.2.2 Strunz No: VIII/H.18-05 Locality:   Notes: