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	Dumortierite - Wikipedia, the free encyclopedia
		Dumortierite crystallizes in the orthorhombic system typically forming fibrous aggregates of slender prismatic crystals.
		Dumortierite quartz is blue colored quartz containing abundant dumortierite inclusions.
		Dumortierite was first described in 1881 for an occurrence in Chaponost, in the Rhône-Alps of France and named for the French paleontologist Eugene Dumortier (1803-1873).
	en.wikipedia.org /wiki/Dumortierite (208 words)

	Thaigem.com \| Info Center \| Gemstone Discovery \| Dumortierite (Site not responding. Last check: 2007-10-30)
		Named after the French paleontologist, Eugene Dumortier, Dumortierite is typically blue, violet, pink or brown in color and is commonly used as a semi precious/ornamental stone, in the manufacture of high-grade ceramics/porcelain and as mineral specimens.
		Interestingly, Dumortierite is pleochroic from red to blue to violet, with some specimens fluorescing a blue color with a yellow matrix under long wave UV light or a white fluorescence under short wave UV light.
		Dumortierite, a boro-silicate mineral, is made unusual by its very attractive deep violet blue color.
	www.thaigem.com /dis_dumor.asp (298 words)

	Dumortierite, rock, crystal, mineral, gem stone, birth stones - mineralgallery
		Dumortierite can be misidentified as other ornamental stones such as sodalite, lazurite and lazulite.
		Dumortierite is related to several other nesosilicate boro-silicates such as grandidierite, harkerite, holtite, kornerupine, magnesiodumortierite, prismatine and werdingite.
		Dumortierite is commonly found in aluminum rich metamorphic rocks in contact metamorphic regions and in some pegmatites.
	www.mineralgallery.co.za /dumortierite.htm (221 words)

	Thaigem.com \| Info Center \| A-Z Gemstones \| From Gemology To Mythology Learn More About Dumortierite At Our A-Z ... (Site not responding. Last check: 2007-10-30)
		Dumortierite is a hard transparent to opaque gemstone, usually dusty denim blue and occasionally brown, violet or pink.
		Dumortierite is attributed by some as being helpful in gaining control over life, releasing negativity and coming to terms with reality.
		Dumortierite displays a vitreous to dull luster, its crystals are translucent to transparent with massive specimens appearing nearly opaque.
	www.thaigem.com /infocenter/buyer_guides/a-z_gemstones/dumortierite.asp (363 words)

	Bibliography of dumorierite - part III
		Petrachenko, R.I. - Tourmaline and dumortierite in secondary quartzites of eastern Sikhote-Alin.
		Popov, V.I. and A.L. Vorob'ev - Dumortierite in Gav (northern Ferghana).
		Serdyuchenko, D.P. - On the composition and genesis of dumortierites.
	www.dvminerals.com /dum3.htm (2607 words)

	Dumortierite - LoveToKnow 1911
		DUMORTIERITE, a mineral described in 1881 by M. Gonnard, who named it after Eugene Dumortier, a palaeontologist of Lyons, France.
		Dumortierite occurs in gneiss at Chaponost, near Lyons, and at a few other European localities; it is found also in the United States, being known from near New York City, from Riverside and San Diego counties, California, and from Yuma county, Arizona.
		The last-named locality yields the mineral in some quantity in the form of dense fibres embedded in quartz, to which it imparts a blue colour.
	www.1911encyclopedia.org /Dumortierite (212 words)

	Bibliography of the borosilicate dumortierite, part I
		This bibliography is a compilation of over 300 references on the minerals of the dumortierite group, which include the aluminium borosilicate dumortierite, magnesiodumortierite and holtite.
		Despite the relatively common occurrence of dumortierite and recent progress in crystallochemical, thermodynamic and experimental studies (Alexander et al., 1986; Hemingway et al., 1990; Ono, 1981; Werding and Schreyer, 1986, 1988, 1990), its stabilitity relations and crystal chemical relationships are still inadequately known.
		Finlay, G.I. - On an occurrence of corundum and dumortierite in pegmatite in Colorado.
	www.dvminerals.com /dum1.htm (2570 words)

	Dumortierite Gem Stone Meaning Crystal Spiritual Healing Chakra Balancing Energy
		Dumortierite will also provide you with more strength and courage to assert your true potential and help you vocalize your abilities to others.
		Dumortierite would be a great companion stone for you.
		Dumortierite is a great stone for healers as an aid in diagnosing health problems.
	www.gemstonegifts.com /stones/dumortierite.htm (639 words)

	Learn About Dumortierite Page from Quartz 'N' All - High Quality Crystals, Minerals and Fossils.
		Rocks rich in aluminium often contain dumortierite, especially when they have been altered by contact metamorphism.
		The exceptionally course-grained pegmatites are formed by very slow cooling of magmatic fluids in a chemically-rich environment, at some depth in the Earth's crust.
		Dumortierite is named after the French paleantologist Eugene Dumortier.
	www.quartznall.co.uk /learndumortierite.htm (242 words)

	THE CRYSTAL CHEMISTRY OF DUMORTIERITE AND HOLTITE, ALUMINOBOROSILICATES WITH HEAVY ELEMENTS
		Dumortierite is generally considered a "clean" aluminoborosilicate in which variable amounts of Ti, Fe and Mg substitute for Al, and P for Si.
		However, our electron microprobe analyses of 44 samples of dumortierite from 37 localities reveal the presence of significant As, Sb, Bi, Nb and Ta, suggesting some miscibility between dumortierite and holtite.
		Arsenic is a regular constituent, e.g., dumortierite from the southern Urals, East Antarctica, Ogilby, California, and Saxony contain up to 1.89, 3.01, 3.45, and 3.58 wt.% As, respectively; the last corresponds to 0.22 As atoms per formula unit (apfu).
	gsa.confex.com /gsa/2001AM/finalprogram/abstract_21205.htm (469 words)

	ORE FEATURES
		Dumortierite is a aluminum mineral with traces of borax and silica.
		Dumortierite can also be found as an inclusion in Blue Aventurine or Dumortierite Quartz.
		Dumortierite is found near Lyon, plus the United States, Madagascar, Russia, Sri Lanka, Norway, Poland and Canada.
	www.ozarkrockexchange.com /ore_features/2002/dumortierite.shtml (1596 words)

	Dumortierite beads
		These are dumortierite stretch bracelets in a double drilled oval shape.
		It's called dumortierite, and although a lot of this material comes from Brazil.
		It's called dumortierite, and although a lot of this material comes from Brazil, these particular beads are closer to home for many of you-they come from Arizona.
	www.jewelweaver.com /MM003.ASP?pageno=643 (403 words)

	Dumortierite: Dumortierite mineral information and data.
		Losert, J. (1956): Dumortierites from the migmatites and pegmatites in the vicinity of Kutná Hora.
		Cempírek, J. (2003) Mineral assemblages and chemistry of dumortierite from granitic pegmatites.
		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 110, 210; Wilson, E.D. (1929), An occurrence of dumortierite near Quartzsite, AZ, Am.Min.: 14: 373-381; Wilson, E.D. (1933), Geology and mineral deposits of southern Yuma Co., AZ, AZ Bur.
	www.mindat.org /min-1329.html (837 words)

	Dumortierite Silver Jewelry Earrings Bracelet
		Dumortierite is a hard, opaque gemstone, usually a dusty denim blue, though rarely violet or pink (Violite).
		The blue in recently discovered blue quartzite (Blue Aventurine) mines in Brazil are colored by Dumortierite.
		An ore of Boron, Dumortierite is found in the Western U.S., where it was mined for spark plug ceramics as it is quite hard and durable.
	www.luckygemstones.com /dumortierite-jewelry-navy-blue-stones.htm (309 words)

	Sahar's Beaded Creations: Unique Handmade Beaded Gemstone Jewelry (Site not responding. Last check: 2007-10-30)
		Dumortierite and pewter necklace, with a large faceted dennim coral bead in the center
		Dumortierite and Bali-style sterling silver necklace, with a round filigree sterling silver bead in the center
		Dumortierite and pewter necklace, with six-sided dumortierite cylinder in the center
	www.saharscreations.com /dumortierite.html (173 words)

	Astrology & Gemstones, Birthstones: Dumortierite Gemstone - Gems shop online
		Dumortierite was named after the French scientist M. Dumortier.
		Dumortierite is the most common boro-silicate with the exception of the Tourmaline Group.
		Dumortierite is also found inter- grown with rock crystal and is then called Dumortierite quartz.
	www.findyourfate.com /gemology/gemstones/Dumortierite.html (189 words)

	Gemstones beginning with D
		It makes a delightful substitute for pricier stones; dumortierite often is mistaken for lapis lazuli, which costs up to three times more!
		It also looks similar to sodalite and lazurite, but blue sodalite is less dense and has whiter portions, while lazurite is not fibrous like dumortierite.
		Dumortierite is considered a gemstone of order that can enhance organizational abilities and self-discipline.
	www.rings-things.com /gemstone/d.htm (826 words)

	Dumortierite
		We have just got this in for the shop and I felt hugely drawn to one particular piece so it's now in my pocket along with ruby in zoisite and jade....now I know what I think this combo might do...but I'd be most grateful for your insight Kelle.
		still cant quite pinpoint how the dumortierite fits in because i think of it as a business stone (its also an excellent cold and flu remedy when combined with goldstone)...
		the dumortierite is organiztional abilities, yes, but also "it can have of balancing the throat chakra and enhancing communication between lower chakras/physical energy and the higher chakras/mental/spiritual energy."
	www.angelpaths.com /instantforum30/Topic299601-7-1.aspx (972 words)

	Dumortierite Bead ~ Gemstone Beads
		In fact, it is one of the stones used to substitute for true Lapis and is often sold as Lapis!
		Dumortierite goes very nicely with denim and is a nice hard gemstone.
		Dumortierite gets its name from the French Paleontologist, Eugene Dumortier.
	www.gembeads.com /dumortierite-beads.htm (139 words)

	Dumortierite
		There was no particular logic to how they got there....the zoisite came first, then the jade and finally the dumortierite.
		dumortierite was born for cappies i think or for those of us needing some cappie qualities.
		I'm going to order dumortierite and some amethyst and some citrine.
	www.angelpaths.com /instantforum30/FindPost299901.aspx (972 words)

	DUMORTIERITE (Aluminum Boro-silicate Hydroxide)
		Uses: As an ornamental and semi-precious stone, in the manufacture of high grade ceramics and porcelain and as mineral specimens.
		Dumortierite is a boro-silicate mineral that is used as a popular ornamental stone.
		Dumortierite is related to several other nesosilicate boro-silicates such as
	mineral.galleries.com /minerals/silicate/dumortie/dumortie.htm (360 words)

	Dumortierite - Crystal - HEALING CRYSTALS, Tumblestones, Hanging Crystals, Aromatherapy, New Age, Runes, Tarot, and ... (Site not responding. Last check: 2007-10-30)
		Dumortierite - Crystal - HEALING CRYSTALS, Tumblestones, Hanging Crystals, Aromatherapy, New Age, Runes, Tarot, and much more from Hogglewick.
		Dumortierite imparts a cheerful outlook on life, it helps to overcome panic and fear and encourages trust and harmony.
		Our searchable Crystal Healing database is growing by the day so if you have a problem and want to see which crystals will be best suited, give it a try.
	www.hogglewick.com /Catalogue/534.aspx (514 words)

	Dumortierite - Find, Compare, and Buy at Shopping.com
		Contemporary DUMORTIERITE STERLING SILVER RING Size 8 - 10
		Contemporary DUMORTIERITE STERLING SILVER RING Size 5 to 8
		NAVY DUMORTIERITE gemstone 4, 6 & 8mm SAMPLER=48 beads
	www.shopping.com /xGS-Dumortierite (318 words)

	Kambaba & Dumortierite Necklace - 00102 (Site not responding. Last check: 2007-10-30)
		Unique kambaba chip beads are featured on this 16.5 inch necklace with a sterling silver toggle clasp.
		The coordinating 1.75 inch pendant is dumortierite surrounded in sterling silver
		If you were the pending buyer of this item, go to My Account to view, track and check payment for this item.
	www.rubylane.com /shops/gemstonecreations/item/00102 (107 words)

	Dumortierite and Flower Necklace ~ Bossert - JN-237
		Dumortierite and Flower Necklace ~ Bossert - JN-237
		I went into this much detail because the blues and fls might be difficult to differentiate.
		The Central feature is a Dumortierite donut measuring 1 3/4", the blue of the Dumortierite and the Blue of the Blue Aventurine do not match in coloration.
	www.rubylane.com /shops/atelier51/item/JN-237 (325 words)

	Dumortierite Mineral Data
		Comments: Divergent fans of acicular purple to lilac colored dumortierite crystals in white andalusite matrix.
		Comments: Low-magnification, bright-field image showing dispersed dumortierite fibers extracted from rose quartz on a carbon film.
		Print or Cut-and-Paste your Dumortierite Specimen Label here :
	webmineral.com /data/Dumortierite.shtml (233 words)

	African Dumortierite Stone Egg (Site not responding. Last check: 2007-10-30)
		We accept all major credit cards on our secure server through 2Checkout.com
		An African hand crafted stone Dumortierite egg that is 7 cm in length and set in the color of deep blue.
		The stone egg has traces of dark and light shades of blue to give the egg that marble type look.
	www.africancraftsmarket.com /stoneeggDumortierite_details.htm (128 words)

	Semiprecious Stone Bead Shapes in Accents Beads
		Clear Quartz, Dumortierite, Labradorite, Red Tiger Eye, Ruby Zoisite - $9.00
		Bloodstone, Blue Goldstone, Dumortierite, Purple Moss Agate - $4.50
		Blue Goldstone, Dumortierite, Natural Carnelian, Red Tiger Eye, Ruby Zoisite - $8.60
	www.accentsbeadshop-md.com /semipreciousshapes.htm (1843 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Energy Citations Database (ECD) Document #7143568 - High-resolution electron microscopy of dumortierite
		Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
		High-resolution images of dumortierite, a nesosubsilicate, have been obtained, viewed down the c axis.^The electron micrographs can be interpreted in terms of the crystal structure, projected along this axis.^Slight deviations from the projected structure in the images provide more information about the two-dimensional space group.
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=7143568 (149 words)

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