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Spodumene Mineral Data + |
General Spodumene Information |
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| LiAlSi2O6 | |||
| 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 | |||
| LiAl(Si2O6) | |||
| Lithium-bearing granitic pegmatites. | |||
| Valid Species (Pre-IMA) 1800 | |||
| Pala district, San Diego Co., California. Link to MinDat.org Location Data. | |||
| 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 | |||
| Hiddenite - emerald green | |||
| ICSD 30521 | |||
| Kunzite - pink, violet, purple | |||
| PDF 33-786 | |||
| Triphane - colorless, yellow | |||
Spodumene Image | |||
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Spodumene Crystallography |
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| a:b:c =1.1442:1:0.631 | |||
| a = 9.52, b = 8.32, c = 5.25, Z = 4; beta = 110.3333° V = 389.92 Den(Calc)= 3.17 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | |||
| By Intensity(I/Io): 2.921(1), 2.793(0.9), 4.205(0.75), | |||
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Physical Properties of Spodumene |
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| [110] Perfect, [100] Good | |||
| Grayish white, Pink, Violet, Emerald green, Yellow. | |||
| 3.1 - 3.2, Average = 3.15 | |||
| Transparent to translucent | |||
| Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende). | |||
| Bladed - Aggregates of thin lath-like crystals (e.g. kyanite). | |||
| Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | |||
| 6.5-7 - Pyrite-Quartz | |||
| Non-fluorescent. | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Spodumene |
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| 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 |
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| Biaxial (+), a=1.648-1.661, b=1.655-1.67, g=1.662-1.679, bire=0.0140-0.0180, 2V(Calc)=88, 2V(Meas)=54-69. Dispersion weak, r < v. | |||
| colorless, colorless, or colorless. | |||
| violet pink, emerald green, or yellow. | |||
| purple pink, bluish green, or greenish yellow. | |||
Calculated Properties of Spodumene |
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relectron=3.11 gm/cc |
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| Fermion Index = 0.01714 Boson Index = 0.98286 |
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PESpodumene = 1.61 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Spodumene is Not Radioactive |
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Spodumene Classification |
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| 65.1.4.1 (65)Inosilicate Single-Width Unbranched Chains, W=1 | |||
| (65.1)with chains P=2 | |||
| (65.1.4)Li pyroxenes | |||
| VIII/F.01-120 VIII - Silicates | |||
| VIII/F - Inosilicates (chain and band) double chains [Si2O6]4- | |||
| VIII/F.01 - Pyroxene group, Clinopyroxene | |||
Other Spodumene Information |
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| NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Heinrich65) | |||
| Links to other databases for Spodumene : 1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Applied Mineralogy 4 -Athena 5 - CalTech Mineral Spectroscopy 6 - Crocoite.com Mineral Locations 7 - EUROmin Project 8 -Google Images 9 -Google Scholar 10 -Handbook of Mineralogy (MinSocAm) 11 -Handbook of Mineralogy (UofA) 12 - HyperPhysics 13 -MinDAT 14 -MinMax(Deutsch) 15 -MinMax(English) 16 - Mineral and Gemstone Kingdom 17 -Mineralienatlas (Deutsch) 18 - Minerals of Wisconsin 19 - Philatelic Mineralogy 20 -QUT Mineral Atlas 21 - Scandinavian mineral gallery 22 - Tradeshop.com - The Rainbow of Gems 23 - WWW-MINCRYST 24 -École des Mines de Paris Search for Spodumene using: Visit our Advertisers for Spodumene : Translate Spodumene Mineral Data : Ask about Spodumene here : Print or Cut-and-Paste your Spodumene Specimen Label here :
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