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Topic: Forsterite

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	Forsterite - Wikipedia, the free encyclopedia
		Forsterite crystallizes in the orthorhombic system (space group Pbnm) with cell parameters a 4.75 Å, b 10.20 Å and c Å 5.98.
		Forsterite is associated with igneous rocks and has also been found in some iron meteorites.
		The gemstone variety of Forsterite is known as Peridot.
	en.wikipedia.org /wiki/Forsterite (173 words)

	forsterite
		On Earth, forsterite is found in ultramafic igneous rocks or in marbles made from the metamorphism of dolomitic limestones.
		The terms "forsterite chondrite" or "F chondrite" is also used to describe a type of inclusion that has been found in a handful of meteorites, including the Cumberland Falls aubrite, which fell in Whitley County, Kentucky in 1919, and the Antartic meteorite ALHA78113.
		The way the forsterite and enstatite is associated in these specimens suggests that a small F chondrite parent body was violently disrupted by collision with an enstatite parent body, melted, and rapidly cooled.
	www.daviddarling.info /encyclopedia/F/forsterite.html (290 words)

	RHEL 4, errors with connection to CX300 (Site not responding. Last check: 2007-10-24)
		Jul 24 06:09:58 forsterite kernel: Info:Mpc:Path Bus 2 Tgt 0 Lun 0 to APM00042204229 is alive.
		Jul 26 00:08:29 forsterite kernel: Info:Mpc:Trespassed volume 6006016029401100648F0B7C5DE5D811 to SPB Jul 26 00:08:34 forsterite kernel: Info:Mpc:Path Bus 2 Tgt 1 Lun 0 to APM00042204229 is alive.
		Jul 26 00:08:34 forsterite kernel: Info:Mpc:Restored volume 6006016029401100648F0B7C5DE5D811 to: default SPA Jul 27 17:52:01 forsterite kernel: Error:Mpc:Path Bus 2 Tgt 0 Lun 0 to APM00042204229 is dead.
	lists.us.dell.com /pipermail/linux-poweredge/2005-July/021945.html (961 words)

	OLIVINE (Magnesium Iron Silicate)
		Besides its actual mineral names, forsterite and fayalite, it is known as "chrysolite", "evening emerald" and peridot.
		Most peridot is actually the magnesium rich forsterite and its color is caused by the presence of iron ions.
		Forsterite crystallizes first with fayalite crystallizing last when other minerals such as the pyroxenes are just beginning to form.
	mineral.galleries.com /minerals/silicate/olivine/olivine.htm (840 words)

	FORSTERITE (Magnesium Iron Silicate)
		Forsterite's gemstone variety known as peridot, is one of the most mispronounced of gemstone names.
		Most gem grade forsterite comes from volcanic basalts, but the bem gravels of Mogok, Myanmar (formerly known as Burma) are thought to have weathered out of peridot-containing metamorphosed marbles.
		Forsterite is found in ultramafic igneous rocks or in marbles made from the metamorphism of dolomitic limestones.
	mineral.galleries.com /minerals/silicate/forsteri/forsteri.htm (792 words)

	Forsterite (Site not responding. Last check: 2007-10-24)
		Forsterite is a silicate of magnesium with the composition Mg SiO
		The forsterite sample at left above is about 2x3 cm and is from Kovdor, Kola Peninsula, Russia.
		The item at right contains a forsterite crystal which is 34.7 carats.
	hyperphysics.phy-astr.gsu.edu /hbase/minerals/Forsterite.html (179 words)

	Lets Talk Gemstones
		Forsterite’s lack of gem quality characteristics preclude its use as a gemstone except as a collector’s item.
		Principal sources of forsterite crystals are the Nikolai-Maximilian mine near Zlatoust in the Ural mountains, the United States in Bolton, Massachusetts, and the Vesuvian lava deposits in Italy.
		The alteration of forsterite crystals to serpentine in cracks resembling branches in the structures were once presumed to be fossilized remains of a large one-celled animal of the early Precambrian period until research revealed the mineral character of the deposits.
	www.attawaygems.com /NMFG/Lets_talk_gemstones_olivine.html (1210 words)

	forsterite (Site not responding. Last check: 2007-10-24)
		Forsterite is an end member of the Olivine group of minerals.
		Forsterite is the Magnesium rich member of the Olivine group contrasting fayalite, the iron silicate ind member.
		Forsterite is found in the olivine of ultramafic (high iron and magnesium concentrated) igneous rocks (dunites and peridotites), many iron-nickel meteorites, and chondrite meteorites.
	academic.evergreen.edu /curricular/MN/forsterite.htm (196 words)

	Olivine - Wikipedia, the free encyclopedia
		in which the ratio of magnesium and iron varies between the two endmembers of the series: forsterite (Mg-rich) and fayalite (Fe-rich).
		The metamorphism of impure dolomite or other sedimentary rocks with high magnesium and low silica content also produces Mg-rich olivine, or forsterite.
		At 800 °C the pure magnesium end member, forsterite, transforms to wadsleyite at 11.8 gigapascals (118 kbar) and to ringwoodite at pressures above 14 GPa (140 kbar).
	en.wikipedia.org /wiki/Olivine (781 words)

	OPUS - Experimental deformation of forsterite, wadsleyite and ringwoodite: Implications for seismic anisotropy of the ...
		OPUS - Experimental deformation of forsterite, wadsleyite and ringwoodite: Implications for seismic anisotropy of the Earth’s mantle
		Experimental deformation of forsterite, wadsleyite and ringwoodite: Implications for seismic anisotropy of the Earth’s mantle
		The deformation of forsterite at high pressure and temperature is dominated by the [001]{hk0} slip system rather than the [100](010) glide which is extensively observed at low pressure and high temperature..
	opus.ub.uni-bayreuth.de /volltexte/2005/139 (863 words)

	Incongruent Melting
		Once it does, it is actually chemically incompatible with forsterite and when the melt reaches the solidification temperature of enstatite, forsterite reacts with the melt to form enstatite.
		Also it lies far from both forsterite and quartz in composition, so the amounts of quartz and forsterite that can form are fairly small.
		When that happens the forsterite is isolated from the melt and may persist when the rock solidifies.
	www.uwgb.edu /dutchs/PETROLGY/incongm.HTM (1447 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Oxygen isotope exchange between calcite and forsterite were investigated in the presence of a large amount of supercritical fluid.
		As a result, oxygen isotope fractionations between calcite and forsterite and between the minerals and the fluid can simply pass the equilibrium fractionations with time and even lead to crossover behavior.
		Once diffusion becomes a primary mechanism for further isotope exchange in the three-phase system, the rate of oxygen diffusion in calcite is equal to, or slightly less than that in forsterite.
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=687703 (387 words)

	Mineral description : Forsterite (Site not responding. Last check: 2007-10-24)
		Forsterite is the magnesium rich member of the olivine series.
		Forsterite is soluble in hydrochloric acid with gelatinisation.
		Forsterite is much more common than fayalite in Norway.
	www.geology.neab.net /minerals/forsteri.htm (141 words)

	Forsterite (Site not responding. Last check: 2007-10-24)
		In addition, forsterite ceramics are considered as some of the most adequate materials for applications as manifolds for SOFC (Solid Oxide Fuel Cells) - due to them having a linear thermal expansion coefficient perfectly matching with the other cell components and a very high stability in fuel cell environments.
		The main properties that make forsterite a material of interest to engineers and designers are:
		As mentioned previously forsterite is of interest to SOFC manufacturers due to its thermal expansion properties and chemical stability.
	www.azom.com /details.asp?ArticleID=1120 (179 words)

	Cr:forsterite Lasers (Site not responding. Last check: 2007-10-24)
		The Mavericks series is an exciting new line of ultrafast lasers for customers wanting a complete and versatile source of femtosecond pulses, without the need for an expensive separate pump laser.
		Based on a Chromium doped forsterite (Cr:f) gain medium, the Mavericks series outputs pulses in the near infrared centered at 1250 nm and tunable from 1230-1270 nm.
		Wavelengths in the 1250 nm range are less damaging to biological samples than other ultrafast lasers, making the Mavericks an ideal source of ultrashort pulses for biological and medical applications.
	www.femtosecondsystems.com /products/category.php/1/2 (380 words)

	Femtosecond Cr:Forsterite Laser
		Forsterite based on Cr are the first tunable lasers operating in 1150 to 1300 nm range.
		Petricevic, S. Gayen, and R. Alfano, "Laser Action in Chromium-Activated Forsterite for Near-Infrared Excitation: Is Cr the Lasing Ion?" Appl.
		Petricevic, A. Seas, and R. Alfano, "Slope Efficiency Measurements of Chromium-Doped Forsterite Laser", Opt.
	www.sciner.com /FS/fsCrF.htm (1141 words)

	Synthetic Forsterite from READE
		forsterite, forsterite powder, synthetic forsterite, natural forsterite, forsterite, forsterite powder, synthetic forsterite, natural forsterite
		Forsterite is a stoichiometric Magnesium Orthosilicate utilized for applications requiring a high coefficient of thermal expansion.
		b) Natural forsterite is also available and it has a high iron content (8-10%) as Fayalite
	www.reade.com /Products/Minerals_and_Ores/forsterite.html (180 words)

	Binary Solid Solution
		Mg has a smaller ionic radius than Fe, therefore Mg and O are attracted more strongly than Fe and O, so forsterite has a higher melting point than fayalite (shown by the respective open squares).
		The resulting solid would not be pure forsterite, but since forsterite has the higher melting point, we would expect the solid to be richer in forsterite than the melt.
		As forsterite rich crystals solidify, the melt becomes enriched in fayalite and slides down the liquidus.
	www.uwgb.edu /dutchs/petrolgy/BSOLSOL.HTM (723 words)

	Multiphoton Confocal Microscopy Using a Femtosecond Cr:Forsterite Laser (Site not responding. Last check: 2007-10-24)
		Its high output power, short optical pulse width, high stability, and low dispersion in fibers make it a perfect replacement for the currently widely used Ti:sapphire laser.
		In this paper, we study the capability of using a femtosecond Cr: forsterite laser in multiphoton scanning microscopy.
		We have performed the multiphoton excited photoluminescence spectrum measurement on several commonly used bioprobes using the 1230 nm femtosecond pulses from a Cr:forsterite laser.
	www.sciner.com /FS/CrF_MCM.htm (302 words)

	Journal Publications (Site not responding. Last check: 2007-10-24)
		When the pump and third-harmonic pulses are group-velocity-mismatched, optimal phase matching is achieved for frequency components spectrally offset from the central frequency of the pump pulse, which gives rise to an asymmetry in the spectrum of the third harmonic.
		Efficient frequency conversion of femtosecond pulses of a Cr : forsterite laser in tapered fibres is experimentally demonstrated.
		Unamplified 30-fs Cr : forsterite-laser pulses are used to generate the third harmonic in the phase-matching regime.
	www.bath.ac.uk /physics/groups/cppm/publications.php?sortby=author (11795 words)

	Forsterite (Site not responding. Last check: 2007-10-24)
		Forsterite is a member of the OLIVINE family.
		CRYSTAL GROWTH AND HABITS - Crystals are prismatic, often with striations parallel to the long axis, wedge shaped terminations; most commonly Fosterite forms granular masses.
		OCCURRENCE - Forsterite is found in mafic and ultramafic igneous rocks.
	www.gc.maricopa.edu /earthsci/imagearchive/fosterite.htm (90 words)

	Forsterite: Forsterite mineral information and data. (Site not responding. Last check: 2007-10-24)
		Zha, C.-S., Duffy, T.S., Downs, R.T., Mao, H.-K., and Hemley, R.J. (1996) Sound velocities and elasticity of single-crystal forsterite to 16 GPa.
		Brodholt, J.P. (1997), Ab initio calculations on point defects in forsterite (Mg2SiO4) and implications for diffusion and creep: American Mineralogist: 82: 1049-1053.
		Brodholt, J.P. and Refson, K. (2000) An ab initio study of hydrogen in forsterite and a possible mechanism for hydrolytic weakening.
	www.mindat.org /min-1584.html (236 words)

	Electron paramagnetic resonance study of [image] at [image] position in forsterite
		In an electron paramagnetic resonance study of a synthetic single crystal of forsterite,
		All the fourth-order spin-Hamiltonian constants are given: they are much larger than generally observed in silicates.
		In particular, reselling and systematic downloading of files is prohibited.
	stacks.iop.org /0953-8984/9/10033 (267 words)

	Find in a Library: Forsterite olivine deposits of North Carolina and Georgia
		Forsterite olivine deposits of North Carolina and Georgia
		To find this item in a library, enter a postal code, state, province, or country in the field above.
		WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
	www.worldcatlibraries.org /wcpa/ow/30fc8fe5f191febc.html (82 words)

	Olivine Powder & Sand From READE
		It is sometimes inaccurately referred to as forsterite.
		A naturally occurring mineral composed of a solid solution of magnesium ortho silicate, (forsterite, Mg SiO
		olivine forsterite natural-olivine magnesium-iron-silicate olivine forsterite natural-olivine magnesium-iron-silicate olivine forsterite natural-olivine magnesium-iron-silicate olivine forsterite natural-olivine magnesium-iron-silicate olivine forsterite natural-olivine magnesium-iron-silicate olivine forsterite natural-olivine magnesium-iron-silicate
	www.reade.com /Products/Minerals_and_Ores/olivine.html (260 words)

	[Ganoksin] - Lets Talk Gemstones - Peridot
		Habit: thick tabular – short prisms - faces rarely striated
		Optic character: varies forsterite - biaxial positive others - negative
		Pleochroism: weak - colorless to pale green, green, olive green
	www.ganoksin.com /borisat/nenam/peridot.htm (1461 words)

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