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Spodumene Mineral Data

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General Spodumene Information

Help on Chemical  Formula: Chemical Formula: LiAlSi2O6
Help on Composition: Composition: Molecular Weight = 186.09 gm
   Lithium    3.73 %  Li    8.03 % Li2O
   Aluminum  14.50 %  Al   27.40 % Al2O3
   Silicon   30.18 %  Si   64.58 % SiO2
   Oxygen    51.59 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: LiAl(Si2O6)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1800
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Spodumene is from the Greek, spodoumenos, "burnt to ash," alluding to the ashy color of early specimens. Kunzite is named after the American gem expert, G. F. Kunz (1856-1932). Hi ddenite is named after the American mi
Help on Name Pronunciation: Name Pronunciation: Spodumene + Pronunciation Say SPODUMENE
Help on Synonym: Synonym: Hiddenite - emerald green
  ICSD 30521
  Kunzite - pink, violet, purple
  PDF 33-786
  Triphane - colorless, yellow

Spodumene Image

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Comments: Stacked crystals of Spodumene (Var. Kunzite).
Location: Galileia, Minas Gerais, Brazil. Scale: Crystal size 7 cm.
© Dave Barthelmy

Spodumene Crystallography

Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.921(1), 2.793(0.9), 4.205(0.75),
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: ( 1 0 0) ( 1 0 0) ( 1 1 0) ( 0 1 1)

Warning: this java applet does not work in some browsers because of security restrictions.


Physical Properties of Spodumene

Help on Color: Color: Grayish white, Pink, Violet, Emerald green, Yellow.

Optical Properties of Spodumene

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.031 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.209,KPDmeas= 0.2103,KC= 0.2157
Ncalc = 1.67 - 1.69

Calculated Properties of Spodumene

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.11 gm/cc
note: Specific Gravity of Spodumene =3.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESpodumene = 1.61 barns/electron
U=PESpodumene x rElectron Density= 5.02 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Spodumene is Not Radioactive

Spodumene Classification

Help on  Dana Class: Dana Class: (65)Inosilicate Single-Width Unbranched Chains, W=1
  (65.01)with chains P=2
  (65.01.04)Li pyroxenes Spodumene LiAlSi2O6 C 2/c 2/m
Help on  Strunz Class: Strunz Class: 09.DA.30 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DA -Inosilicates with 2-periodic single chains, Si2O6; pyroxene family
09.DA.30 Spodumene LiAlSi2O6 C 2/c 2/m

Other Spodumene Information

Help on See Also: See Also: Links to other databases for Spodumene :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - CalTech Mineral Spectroscopy
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - HyperPhysics
13 - MinDAT
14 - Mineral and Gemstone Kingdom
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - Philatelic Mineralogy
18 - QUT Mineral Atlas
19 - Ruff.Info
20 - Scandinavian mineral gallery
21 - Tradeshop.com - The Rainbow of Gems

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Dana No: Strunz No: 09.DA.30





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