Aluminoceladonite Mineral Data

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General Aluminoceladonite Information

Chemical Formula:

KAl(Mg,Fe++)[ ]Si4O10(OH)2

Composition:

Molecular Weight = 404.62 gm

Potassium 9.66 % K 11.64 % K₂O

Magnesium 4.51 % Mg 7.47 % MgO

Aluminum 6.67 % Al 12.60 % Al₂O₃

Iron 3.45 % Fe 4.44 % FeO

Silicon 27.76 % Si 59.40 % SiO₂

Hydrogen 0.50 % H 4.45 % H₂O

Oxygen 47.45 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

KAlMg_0.75Fe²⁺_0.25Si₄O₁₀(OH)₂

IMA Status:

Approved IMA 1997 (Dana # Added)

Locality:

Wiesmath ant Frohsdorf, Austria Link to MinDat.org Location Data.

Name Origin:

Named for the French celadon, (sea green), in allusion to its common color.

Name Pronunciation:

Aluminoceladonite

Synonym:

Leucophyllite (Starkl 1883)

Aluminoceladonite Image

Images:

Click Here for Larger Aluminoceladonite Image

Aluminoceladonite Muscovite

Comments: Large, 1cm, purple crystals of muscovite/leucophyllite, (var. alurgite which is an intermediate composition to muscovite and leucophyllite (aluminoceladonite).
Location: Ultevis, Sweden. Scale: 5x3.5x3cm.
© Tom Loomis / Dakota Matrix

Aluminoceladonite Crystallography

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m)

Crystal Structure:

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Pavese A , Ferraris G , Prencipe M , Ibberson R , European Journal of Mineralogy , 9 (1997) p.1183-1190, Cation site ordering in phengite 3T from the Dora-Maira, massif (western Alps): a variable-temperature neutron, powder diffraction study, Note: at T = 293 K, Locality: Dora-Maira massif, western Alps

Optical Properties of Aluminoceladonite

Optical Data:

Biaxial (-), a=1.606-1.644, b=1.63-1.662, g=1.63-1.663, bire=0.0190-0.0240

Calculated Properties of Aluminoceladonite

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Aluminoceladonite}= 3.34 barns/electron
U=PE_{Aluminoceladonite} x r_electron= . barns/cc.

Radioactivity:

GRapi = 138.87 (Gamma Ray American Petroleum Institute Units)
Concentration of Aluminoceladonite per GRapi unit = 0.72 (%)

Estimated Radioactivity from Aluminoceladonite - barely detectable

Aluminoceladonite Classification

Dana Class:

71.02.02a.06d (71)Phyllosilicate Sheets of Six-Membered Rings

(71.02)with 2:1 Layers

(71.02.02a)Mica Group (Muscovite subgroup)

71.02.02a.01 Muscovite KAl2(Si3Al)O10(OH,F)2 C 2/m 2/m

71.02.02a.02 Paragonite NaAl2(Si3Al)O10(OH)2 C 2/c,Cc Mono

71.02.02a.03 Chernykhite (Ba,Na)V,Al)2(Si,Al)4O10(OH)2 C 2/c 2/m

71.02.02a.04 Roscoelite K(V,Al,Mg)2AlSi3O10(OH)2 C 2/m 2/m

71.02.02a.05 Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2 C 2/m 2/m

71.02.02a.06 Celadonite K(Mg,Fe)(Fe,Al)[Si4O10](OH)2 C 2/m 2/m

71.02.02a.06b Ferroceladonite! K2FeFeSi8O20(OH)4 C 2/m 2/m

71.02.02a.06c Ferroaluminoceladonite! K2Fe2Al2Si8O20(OH)4 C 2/m 2/m

71.02.02a.06d Aluminoceladonite! KAl(Mg,Fe)[]Si4O10(OH)2 2/m

71.02.02a.06e Chromceladonite! KCrMg(Si4O10)(OH)2 C 2 2

71.02.02a.07 Tobelite (NH4,K)Al2(Si3Al)O10(OH)2 C 2/m 2/m

71.02.02a.08 Nanpingite Cs(Al,Mg,Fe,Li)2(Si3Al)O10(OH,F)2 C 2/c 2/m

71.02.02a.09 Boromuscovite KAl2(Si3B)O10(OH,F)2 C 2/m 2/m

71.02.02a.10 Montdorite (K,Na)(Fe,Mn,Mg)2.5[Si4O10](F,OH)2 C 2/c 2/m

71.02.02a.11 Chromphyllite! (K,Ba)(Cr,Al)2[AlSi3O10](OH,F)2 C 2c 2/m

71.02.02a.12 Shirokshinite! K(NaMg2)Si4O10F2 C 2/m 2/m

Strunz Class:

09.EC.15 09 - SILICATES (Germanates)

09.E - Phyllosilicates

09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

09.EC.15 Boromuscovite KAl2(Si3B)O10(OH,F)2 C 2/m 2/m

09.EC.15 Celadonite K(Mg,Fe)(Fe,Al)[Si4O10](OH)2 C 2/m 2/m

09.EC.15 Chernykhite (Ba,Na)V,Al)2(Si,Al)4O10(OH)2 C 2/c 2/m

09.EC.15 Chromphyllite! (K,Ba)(Cr,Al)2[AlSi3O10](OH,F)2 C 2c 2/m

09.EC.15 Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2 C 2/m 2/m

09.EC.15 Aluminoceladonite! KAl(Mg,Fe)[]Si4O10(OH)2 2/m

09.EC.15 Ferroaluminoceladonite! K2Fe2Al2Si8O20(OH)4 C 2/m 2/m

09.EC.15 Ferroceladonite! K2FeFeSi8O20(OH)4 C 2/m 2/m

09.EC.15 Montdorite (K,Na)(Fe,Mn,Mg)2.5[Si4O10](F,OH)2 C 2/c 2/m

09.EC.15 Nanpingite Cs(Al,Mg,Fe,Li)2(Si3Al)O10(OH,F)2 C 2/c 2/m

09.EC.15 Tobelite (NH4,K)Al2(Si3Al)O10(OH)2 C 2/m 2/m

09.EC.15 Roscoelite K(V,Al,Mg)2AlSi3O10(OH)2 C 2/m 2/m

09.EC.15 Muscovite KAl2(Si3Al)O10(OH,F)2 C 2/m 2/m

09.EC.15 Paragonite NaAl2(Si3Al)O10(OH)2 C 2/c,Cc Mono

09.EC.15 Tainiolite KLiMg2Si4O10F2 C 2/m 2/m

09.EC.15 Chromceladonite! KCrMg(Si4O10)(OH)2 C 2 2

09.EC.15 Ganterite! [Ba0.5(Na,K)0.5]Al2(Si2.5Al1.5O10)(OH)2 C 2/c 2/m

Other Aluminoceladonite Information

References:

NAME( Dana8) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Aluminoceladonite :
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
10 - Ruff.Info

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Aluminoceladonite

KAl(Mg,Fe++)[ ]Si4O10(OH)2
Dana No: 71.02.02a.06d Strunz No: 09.EC.15
Locality:

Notes: