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Topic: Chalcedony

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	Chalcedony - LoveToKnow 1911
		Chalcedony is a translucent substance of rather waxy lustre, presenting great variety of colours, though usually white, grey, yellow or brown.
		Chalcedony occurs as a secondary mineral in volcanic rocks, representing usually the silica set free by the decomposition of various silicates, and deposited in cracks, forming veins, or in vesicular hollows, forming amygdales.
		It is found in the basalts of N. Ireland, the Faroe Isles and Iceland: it is common in the traps of the Deccan in India, and in volcanic rocks in Uruguay and Brazil.
	www.1911encyclopedia.org /Chalcedony (439 words)

	Chalcedony (Site not responding. Last check: 2007-10-13)
		As is clear by now, chalcedony is not one mineral but the name given to a whole family of minerals just like quartz, In fact, chalcedony is a kind of cryptocrystalline quartz, however unlike quartz, it is not clear and glassy to look at, rather it is translucent to opaque and has a waxy lustre.
		Chalcedony basically occurs as a secondary mineral in volcanic rocks, representing the silica setfree by the decomposition of the various silicates deposited in cracks, forming veins, or in vesicular hollows forming amygdales.
		Chalcedony in fact occurs in virtually all mineral environments and is therefore associated in some way with almost all types of minerals.
	www.design4you.co.th /chalcedony.html (1928 words)

	The Gemstone Chalcedony - DesertUSA
		In all ages many varieties of chalcedony have been used as gems, and many colored varieties are still cut and polished as ornamental stones.
		It is said that chalcedony was used as a sacred stone by the Native Americas, promoting stability within the ceremonial activities of the tribe.
		Chalcedony is said to augment emotional balance, vitality, stamina, endurance, kindness, charity and friendliness.
	www.desertusa.com /mag99/june/papr/chalcedony.html (566 words)

	Gems - Chalcedony, Agate
		CHALCEDONY and agate, and their endless varieties, are composed mainly of silica, but the separate individual crystals are so small as to be invisible to the unaided eyesight, and occasion-ally are so extremely minute that the structure is almost amorphous.
		The term chalcedony, derived from the name of a town in Asia Minor, is usually confined to stones of a greyish tinge.
		Chalcedony and agate are found the whole world over, but India, and particularly Brazil, are noted for their fine carnelians and agates.
	www.oldandsold.com /articles19/gems-16.shtml (535 words)

	Chalcedony Stone,Chalcedony Gemstones,Chalcedony Gem Stones,Chalcedony Gemstones Suppliers,Exporters
		Chalcedony is a translucent to transparent milky or grayish quartz with distinctive microscopic crystals arranged in slender fibers in parallel bands.
		Chalcedony is a finely crystallized or fibrous quartz that forms rounded crusts, rinds, or stalactites in volcanic and sedimentary rocks.
		Chalcedony is one of the gemstones, that used in commesso, or the florentine mosaic.
	www.semi-precious-stone.com /chalcedony-stone.html (248 words)

	Chalcedony
		Chalcedony is a catch all term that includes many well known varieties of cryptocrystalline quartz gemstones.
		Chalcedony includes carnelian, sard, plasma, prase, bloodstone, onyx, sardonyx, chrysoprase, thundereggs, agate, flint, chert, jasper, petrified wood, and petrified dinosaur bone just to name a few of the better known varieties.
		Because of its abundance, durability, and beauty, chalcedony was, except for sticks, animal skins, bones, plain rocks, and possibly obsidian, the earliest raw material used by humankind.
	www.wam.umd.edu /~ldavison/family/sample_necklaces/chalcedony (238 words)

	Chalcedony Gemstone Information (Site not responding. Last check: 2007-10-13)
		Chalcedony, the beautifully colored microcrystalline quartz that could be precisely carved into seals and amulets, was a treasured gem of the ancient world.
		The translucent stripes and bands of agates, the rich opaque green and brown of fine-grained jasper, the plant like forms of moss agate, the green and red pattern of bloodstone, the rich translucent orange-red of carnelian and apple-green of chrysoprase, and the opaque fl of onyx are all faces of the versatile quartz gem.
		This attractive chalcedony quartz is also known as Heliotrope because in ancient times polished stones were described as reflecting the sun: perhaps the appearance of the gem reminded the ancients of the red setting sun reflected in the ocean.
	www.addmorecolortoyourlife.com /gemstones/chalcedony.asp (880 words)

	Colored Stone March/April 2003 - Sources: Chalcedony
		Among gemstone and jewelry sellers, the term chalcedony is usually used to refer specifically to semi-transparent to translucent white, blue, pale grayish-blue, purple, pink, yellow, orange, red, or solid-colored materials other than carnelian, sard, or chrysoprase.
		Although the translucent chalcedony appeals to a similar market as the one-of-a-kind agates and jaspers, with the growing popularity of gems like blue chalcedony, the two materials are growing apart in terms of demand.
		While chalcedony, especially in its blue to purple color range, has been enjoying a wave of mainstream popularity over the past few years, brightly-patterned agates and jaspers are holding their own in the more specialized designer world.
	www.tucsonshowguide.com /stories/mar03/sources.cfm (1416 words)

	Chalcedony - Wikipedia, the free encyclopedia
		A clear red chalcedony is known as carnelian or sard; a green variety colored by nickel oxide is called chrysoprase.
		Plasma is a bright to emerald-green chalcedony that is sometimes found with small spots of jasper resembling blood drops; it has been referred to as blood stone or heliotrope.
		The term chalcedony is derived from the name of the ancient Greek town Chalkedon in Asia Minor, in modern English usually spelled Chalcedon.
	en.wikipedia.org /wiki/Chalcedony (377 words)

	Chalcedony and Gemstones - SHG Resources
		Chalcedony includes agate, bloodstone, carnelian, chert, chrysoprase, flint, heliotrope, jasper, moss agate, onyx, plasma, prase, sardonyx, thundereggs,, mocha stone, sard, petrified wood, and petrified dinosaur bone just to name a few of the better known varieties.
		The chalcedony probably originated from silica that was freed when devitrification (changing from a glassy to a crystalline state) of wind-blown volcanic ash took place.
		Chalcedony is found in all 50 States, in many colors and color combinations, and in sedimentary, igneous, and metamorphic rocks.
	www.shgresources.com /gems/stones/chalcedony (503 words)

	Chalcedony - Facts, Lore, History, Myths and Pictures
		Chalcedony and its named varieties are well represented in various birthstone charts and can be found for all the months except January, April, and November.
		Chalcedony, which is found worldwide, is the name for a group of stones made of a microcrystalline or cryptocrystalline variety of quartz, which means the quartz crystals are too small to be seen without high magnification.
		Chalcedony is found in almost every color including: white, gray, fl, brown, brownish red, orange, yellow, light to dark green, blue, lavender or, in the case of agates and jaspers, combinations of those colors.
	www.bernardine.com /gemstones/chalcedony.htm (313 words)

	Chalcedony, Blue Chalcedony, Chalcedony Bead, Chalcedony Nugget, Blue Chalcedony Bead (Site not responding. Last check: 2007-10-13)
		During the 1700s it was believed that semi-precious chalcedony gem stone nuggets embodied the power to banish evil spirits and nightmares.
		Chalcedony gem stone beads were once carried by sailors to protect against drowning.
		Magic stone fetishes made of chalcedony semi precious stones were fed sacrificial blood by some Burmese tribes, to guard the house and to keep the stones from eating the people.
	agrainofsand.com /Beads-Chalcedony-Wholesale-Gem-Stone-Beads-113.html (215 words)

	ShopNBC.com - 14K WG Chalcedony, Onyx & Diamond Ring
		In the center of the chalcedony is a flower design with a round cut diamond bezel set at the center surrounded by round cut bead set diamonds.
		Chalcedony is a catchall term that includes many well-known varieties of quartz gemstones.
		Chalcedony is also one of the stones listed as in the foundation of the Heavenly City, in Revelations of the Bible.
	www.shopnbc.com /product/?storeid=1&familyid=J113699&track=20702022&Deptid=20702022 (767 words)

	Highbeam Encyclopedia - Search Results for chalcedony
		chalcedony CHALCEDONY [chalcedony] [from Chalcedon ], form of quartz the crystals of which are so minute that its crystalline structure cannot be seen except with the aid of a microscope.
		Chalcedony has a waxy luster and is translucent to transparent.
		The milky way: designers are rediscovering the allure of chalcedony, a rare stone that's lighting up the season.
	www.encyclopedia.com /SearchResults.aspx?Q=chalcedony (486 words)

	Multicolour.com > Gem Library > Gemstones Varieties > Chalcedony
		The individual fibers of chalcedony and its subvarieties are not physically separable; they occur as parallel or near parallel aggregates or as spherules.
		Chalcedony is deposited in a variety of environments and deposition is commonly at low temperatures.
		The most prized of the chalcedonies are the translucent green stones known as chrysoprase and the brown iridescent and colorful stones known as fire agates.
	www.multicolour.com /gemstones/chalcedony.html (541 words)

	Encyclopedia of Gemstones - Chalcedony. Chalcedony's color, characteristics of Chalcedony, varieties of Chalcedony, ...
		Chalcedony is a precious stone that occurs in many forms, colors, and shapes.
		In all ages chalcedony has been the stone most used by the gem engraver, and many colored varieties are still cut and polished as ornamental stones.
		Chalcedony is one of the gemstones, that used in commesso, also called florentine mosaic.
	www.all-that-gifts.com /se/chalcedony.html (357 words)

	chalcedony \| English \| Dictionary & Translation by Babylon
		Chalcedony is one of the cryptocrystalline varieties of the mineral quartz, having a waxy luster.
		Chalcedony may be semitransparent or translucent and is usually white to gray, grayish-blue or some shade of brown, sometimes nearly fl.
		chalcedony to French chalcedony to Italian chalcedony to Spanish chalcedony to Dutch chalcedony to Portuguese chalcedony to German chalcedony to Russian chalcedony to Japanese chalcedony to Chinese (T) chalcedony to Chinese (S) chalcedony to Korean chalcedony to Turkish chalcedony to Hebrew chalcedony to Additional chalcedony to Croatian chalcedony to Swedish
	www.babylon.com /definition/chalcedony (294 words)

	About Chalcedony Jewelry, Chalcedony Rings, Chalcedony Earrings, Chalcedony Pendants
		Chalcedony is available in various types of cuts the nature, style and workmanship of the stone counts the price of the gemstone.
		Chalcedony is available in different colors such as white, blue, purple, buff, gray, yellow, brown etc. The quality of the color is judged based on the uniqueness of the color distribution, presence of impurities decreases the value of the stone.
		Chalcedony is relatively hard even then never allow hard blows or heavy impact with other metals or stones.
	gemstones.mysolitaire.com /chalcedony.htm (621 words)

	Chalcedony - Crystals, Gems & Stones
		Chalcedony can be fl, brown, blue, white with grey the most common color.
		Chalcedony is often used to eliminate negativity that can cause bad dreams.
		Chalcedony is also a stone of cleansing and is often used by healers because it absorbs negativity so readily and helps dissipate these unwanted energies.
	www.psychic-revelation.com /crystals_chalcedony.htm (134 words)

	GemRocks: Chalcedony
		Myrickite - a chalcedony including zones that are red as the result of partial to complete impregnation of cinnabar -- from, for example, the Death Valley region of California and the Yellow Pine district, Valley County, Idaho.
		Psilomelane chalcedony - chalcedony with fl bands, the color of which are due to the presence of psilomelane, from Mexico.
		Three well known examples of dyed chalcedony are aniline-dyed red chalcedony, which is marketed as coralline; chalcedony dyed green and marketed as emeraldine; and chalcedony dyed fl and marketed as a substitute for fl gemstones such as jet, "onyx" and even fl pearls.
	www.cst.cmich.edu /users/dietr1rv/chalcedony.htm (3284 words)

	[Ganoksin] [Gemstones] - Chalcedony - A Gem for the Ages - Colored Stone
		Among gemstone and jewelry sellers, the term chalcedony is usually used to refer specifically to semitransparent to translucent white, blue, pale grayish-blue, purple, pink, yellow, orange, red, or solid-colored materials other than carnelian, sard, or chrysoprase.
		As civilizations rose over the past 4,500 years, chalcedony began to be inluding finely-detailed, high-quality carved agate and carnelian, seals, scarabs, and carved or polished beads.
		While chalcedony, especially in its blue to purple color range, has been enjoying a wave of mainstream popularity over the past few years, brightly-pattemed agates and jaspers are holding their own in the more specialized designer world.
	www.ganoksin.com /borisat/nenam/chalcedony.htm (1448 words)

	Revelation Beads, Chalcedony, Agate (Site not responding. Last check: 2007-10-13)
		Quartz that is formed not of one single crystal but finely grained microcrystals is known as chalcedony.
		The variety of chalcedony is even greater than transparent quartz varieties because it includes cryptocrystalline quartz with patterns as well as a wide range of solid colors.
		It is said that blue chalcedony makes one more telepathic while giving mental clarity, that it is balancing and reduces all negativity.
	www.dihcro.com /chalcedony.html (309 words)

	CHALCEDONY
		The jaspers are often opaque, while the chalcedonies tend to be transparent.
		Blue Mist chalcedony is a pale, almost white shade of blue that glows beautifully.
		Most mineralogists require agates to show banding (stripes), however many kinds of chalcedony without banding are commonly referred to as agates.
	www.suite101.com /article.cfm/gems_and_minerals/40360 (392 words)

	Chalcedony
		These are super quality ice water blue chalcedony, some of the nicest I've had in a long time in terms of clarity; very rare cloudy or included beads to be found in this batch.
		Again, this isn't the super-clearest blue chalcedony I've had in terms of clarity; some beads are translucent, others lean more to the opaque side, but true inclusions are practically non-existent.
		This is orange chalcedony in a tiny flat teardrop shape, measuring just 6mm tall by 6.26mm wide by 3.85-4.17mm thick and with about a (tiny hole) side drilled.
	www.jewelweaver.com /MM003.ASP?pageno=145 (913 words)

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