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Analcime Mineral Data

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General Analcime Information

Help on Chemical  Formula: Chemical Formula: NaAlSi2O6•(H2O)
Help on Composition: Composition: Molecular Weight = 220.15 gm
   Sodium    10.44 %  Na   14.08 % Na2O
   Aluminum  12.26 %  Al   23.16 % Al2O3
   Silicon   25.51 %  Si   54.58 % SiO2
   Hydrogen   0.92 %  H     8.18 % H2O
   Oxygen    50.87 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaAl(Si2O6)•(H2O)
Help on Environment: Environment: Occurs frequently in basalts and other basic igneous rocks associated with other zeolites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1801
Help on Locality: Locality: From near Catanes, Cyclopean Isles, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek word meaning weak, referring to a weak electrical charge developed on rubbing.
Help on Name Pronunciation: Name Pronunciation: Analcime Say ANALCIME
Help on Synonym: Synonym: Analcidite
  ICSD 2930
  PDF 42-1378

Analcime Image

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Comments: Brownish yellow transparent analcime crystals.
Location: Guam. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

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  Serandite   Analcime   Natrolite

Comments: Orange-red, blocky serandite with white, blocky natrolite and white, equant grains of analcime.
Location: Mt. St. Hilaire, Canada. Scale: 4 x 3 cm.
© Fabre Minerals

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  Behoite   Analcime

Comments: Gray-white microcline crystals up to 4 cm coated with overgrowth of analcime 18 mm diameter, black aegirine up to 25 mm and most notable, a pale pink behoite.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Qu├ębec, Canada. Scale: 5x4x3 cm.
© John Betts - Fine Minerals

Analcime Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0004:1:1.0001
Help on Cell Dimensions: Cell Dimensions: a = 13.71, b = 13.7044, c = 13.7063, Z = 16; alpha = 90.158°, beta = 89.569°, gamma = 89.543° V = 2,575.08 Den(Calc)= 2.27
Help on Crystal System: Crystal System: Triclinic - Pedial H-M Symbol (1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.43(1), 2.925(0.8), 5.61(0.8),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 2 1 1)

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Physical Properties of Analcime

Help on Cleavage: Cleavage: {001} Indistinct, {010} Indistinct, {100} Indistinct
Help on Color: Color: White, Grayish white, Greenish white, Yellowish white, Reddish white.
Help on Density: Density: 2.3
Help on Diaphaneity: Diaphaneity: Transparent to Subtransparent to translucent
Help on Fracture: Fracture: Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Fluorescent, Short UV=green blue white, Long UV=green, creamy white yellow.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Analcime

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.021 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.008 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2143,KPDmeas= 0.2115,KC= 0.216
Ncalc = 1.49 - 1.5
Help on Optical Data: Optical Data: Biaxial (?), a=1.479-1.493, g=1.48-1.494, bire=0.0010
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.

Calculated Properties of Analcime

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.27 gm/cc
note: Specific Gravity of Analcime =2.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEAnalcime = 1.52 barns/electron
U=PEAnalcime x rElectron Density= 3.45 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Analcime is Not Radioactive

Analcime Classification

Help on  Dana Class: Dana Class: (77)Tectosilicate Zeolite group
  (77.01)true zeolites
  (77.01.01)Analcime and related species Analcime NaAlSi2O6•(H2O) P1 1 Pollucite (Cs,Na)2Al2Si4O12•(H2O) I a3d 4/m 3 2/m Wairakite CaAl2Si4O12•2(H2O) I2/a 2/m Laumontite CaAl2Si4O12•4(H2O) C 2/m 2/m Hsianghualite Ca3Li2Be3(SiO4)3F2 I 213 2 3
Help on  Strunz Class: Strunz Class: 09.GB.05 09 - SILICATES (Germanates)
  09.G - Tektosilicates with Zeolitic H2O
  09.GB -Chains of single connected 4-membered rings
09.GB.05 Ammonioleucite (NH4,K)AlSi2O6 I 41/a 4/m
09.GB.05 Analcime NaAlSi2O6•(H2O) P1 1
09.GB.05 Hsianghualite Ca3Li2Be3(SiO4)3F2 I 213 2 3
09.GB.05 Lithosite K6Al4Si8O25•(H2O) P 21 (pseudo ORTH) 2
09.GB.05 Leucite KAlSi2O6 I 41/a 4/m
09.GB.05 Pollucite (Cs,Na)2Al2Si4O12•(H2O) I a3d 4/m 3 2/m
09.GB.05 Wairakite CaAl2Si4O12•2(H2O) I2/a 2/m

Other Analcime Information

Help on See Also: See Also: Links to other databases for Analcime :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - Ecole des Mines de Paris
7 - Franklin Minerals(Dunn)
8 - GeoScienceWorld
9 - Glendale Community College
10 - Google Images
11 - Google Scholar
12 - Handbook of Mineralogy (MinSocAm)
13 - Handbook of Mineralogy (UofA)
14 - MinDAT
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - Philatelic Mineralogy
18 - QUT Mineral Atlas
19 - Ruff.Info
21 - Zeolite Database by Bruno Herreros
22 - theimage

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Dana No: Strunz No: 09.GB.05





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