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Topic: Rock crystal


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  ROCK CRYSTAL, the colorless variety of quartz
Rock crystal is the name given to all clear colorless quartz.
Rock crystal lacks the fire, color (of course) and the rarity to be ranked as a fine precious gemstone.
While rock crystal is common it is hard to find large crystals of quartz with the clarity and size required for crystal balls that most of us associate with fortune tellers.Rock crystal is used for many ornamental carvings from spheres (crystal balls) to pyramids to obelisks to figurines to eggs to bowls to wands.
mineral.galleries.com /minerals/gemstone/rock_cry/rock_cry.htm   (492 words)

  
 Rock-Crystal - LoveToKnow 1911   (Site not responding. Last check: 2007-11-03)
The limpidity of the crystal, its coldness to the touch and its common occurrence in rocks among Alpine glaciers, led to the ancient belief that it was a kind of congealed water, whence the name crystal, from Gr.
Much of the material for spectacles comes also from Madagascar, where large crystals of clear quartz are found in the beds of certain streams, especially in the N.E. part of the island, having probably been derived from quartz-veins in the gneiss and pegmatite.
Very fine crystals remarkable for pellucidity though not of large size occur in cavities in the statuary marble of Carrara; and remarkably hollowed crystals are known from Porretta near Bologna in Italy.
www.1911encyclopedia.org /Rock-Crystal   (666 words)

  
 Geology of quartz crystals: Rockhounding Arkansas
Quartz that forms from the crystallization of magmatic rocks crystallizes from a melt that is rich in silica and water.
The crystals are attached at the wall rock and grow inwards from both sides to the center of the fracture.
The size of individual crystals in hydrothermal veins is dependent on a number of factors, including the size of the vein and subsequent pockets and the nature of growth conditions.
rockhoundingar.com /quartz/geology.html   (2573 words)

  
 Rock Crystal Briolette Sterling Silver Hoop Earrings - E158
The center drop is a Rock Crystal crackle cube bead surrounded by sterling silver 2mm round beads and wired with sterling silver wire to a generous size of 12mm (1/2") faceted Rock Crystal briolette.
For thousands of years before this, rock crystal and objects made from it were used for divination, disease diagnosis and healing, and for awareness of current events in distant places in many ancient cultures.
Rock crystal is considered to be the most useful and versatile crystal for metaphysical purposes, usable in both its rough form and in a variety of sculpted items such as spheres, gemstones and pyramids.
www.rubylane.com /shops/siahdesigns/item/E158   (264 words)

  
 QUARTZ (Silicon Dioxide)
Rock crystal is the clear variety that is also used as a gemstone.
Cryptocrystalline (crystals too small to be seen even by a microscope) varieties are also used as semi-precious stones and for ornamental purposes.
Crystal Habits are again widely variable but the most common habit is hexagonal prisms terminated with a six sided pyramid (actually two rhombohedrons).
mineral.galleries.com /minerals/silicate/quartz/quartz.htm   (1104 words)

  
 Rock Crystal
Rock Crystal is found in all continents of the world and has been venerated since time immemorial.
Rock Crystal is the purest form of Quartz - the many varieties of Quartz occupy approximately 12%, by volume, of the Earth's crust, more than any other mineral.
Rock Crystal is probably the single most popular of all jewels: it has come to epitomise the resurgent interest in crystal lore.
www.joulestaylor.com /nonfic/quartz.html   (1225 words)

  
 Quartz Crystals, Quartz Clusters, and other Rock Crystal Mineral Specimens
This rare crystal also has natural triangular markings on one of the top terminations that are popularly known as "record keepers" making this a record keeper crystal (see close-up of the record keeper markings).
This specimen of natural quartz crystal is basically semi-transparent to transparent all the way through the piece with some small cloudy areas, and overall you can see anywhere from 2 to 6 inches into the natural light smoky quartz crystal where ever there is a fresh break on its surface.
Some of this elestial citrine crystal's surfaces were polished to better show the rich golden yellow natural citrine areas, and other surfaces still have the original elestial terminations along with an area on the bottom of the backside where there is some lavender color lepidolite mica still attached (see back-view photo).
www.mineralminers.com /html/rkxmins.stm   (4005 words)

  
 Salt De Light - Rock Salt Crystal Lamp - Biggest Collection of Salt Crystal Lamp !
Crystal salt in its original form is: holistic, wholesome, unaltered, natural salt as it has crystallized in the Earth over millions of years.
The elements in rock salt are not integrated into the salts crystal grid, but cling to the outside surface and crevices of the crystalline structure.
Crystal Salt lamps are made from salt crystal formed by nature over hundreds of millions of years ago, and mined 800 meters underground in salt mines.
www.saltdelight.com   (632 words)

  
 Gemsbrokers - Rock crystal   (Site not responding. Last check: 2007-11-03)
The transparent colorless variety of quartz is known as rock crystal.
Long ago, people believed that rock crystal was a compact form of ice: «Krystallos» actually means «clear ice».
Using a gazing globe made out of rock crystal, future was foretold by magicians from all over the world.
www.gemsbrokers.org /english/rock_crystal/myths.htm   (100 words)

  
 Shop for quartz crystal and rock crystal
We stock a variety of rock crystal and quartz crystal including 72mm rose quartz rock crystal balls, 70mm rock crystal pears and 90mm rose quartz crystal pears.
Rock crystal or quartz crystal is a natural element that is mined, not manufactured, in remote locations difficult to access.
In addition to rock crystal, we also carry unique items such as crystal and glass ball drops, crystal and glass teardrops, unique crystal prisms and u-drops in various sizes and colors.
www.cal-ltg.com /rockcrystal.html   (202 words)

  
 Quartz - Wikipedia, the free encyclopedia
A quartz geode consists of a hollow rock (usually with an approximately spherical shape) with a core lined with a bed of crystals.
The most important distinction between types of quartz is that of macrocrystalline (individual crystals visible to the unaided eye) and the microcrystalline or cryptocrystalline varieties (aggregates of crystals visible only under high magnification).
One of the earliest uses for a quartz crystal was a phonograph pickup.
en.wikipedia.org /wiki/Rock_crystal   (832 words)

  
 Identification of Minerals
Many rocks that are opaque when in a chunk, are translucent when cut into very thin slices.
The average rock you would pick up has an SG of about 2.75 because most of the earth’s crust is made up of quartz, calcite and feldspar.
When minerals have the time and space to grow into their crystal forms, they grow to beautiful regular shapes that are easy to recognize once you have seen a few examples.
www.rocksforkids.com /RFK/identification.html   (2299 words)

  
 Crystal Rock Deodorant & Deodorant Roc & Crystal Deodorant
Crystal rock deodorant is hypoallergenic, fragrance-free, non-sticky, non-staining, and can be used by both men and women.
All the crystal rock deodorants shown work effectively against odor because the mineral salts form a topical layer on the skin, creating an environment impossible for bacteria to thrive.
Crystal Roll-On Body Deodorant is made of natural mineral salts and is completely free of perfumes.
www.crystaldeodorantprotection.com   (574 words)

  
 (via CobWeb/3.1 planetlab2.cs.virginia.edu)Archeology: Damnation of Crystal Skulls - ...   (Site not responding. Last check: 2007-11-03)
The crystal details could be moved with the help of perfect, smooth joints on the skull and easily moved with every touch.
In addition, rock crystal of such perfect quality couldn't be found in that area.
The rock crystal has a hardness that is slightly lower than that of topaz, corundum, and diamond; it can be cut with diamonds only.
english.pravda.ru.cob-web.org:8888 /main/2002/10/14/38119.html   (1378 words)

  
 Main Page - RockWiki
But always keep in mind that ROCK Linux is a Distribution Built Kit and can be used to build a wide range of distributions.
The ROCK Linux internal APIs are described in the Manual.
But building on Crystal ROCK is the best tested scenario.
www.rocklinux.org   (362 words)

  
 Rock crystal
The Greek word for ice quickly transferred to this sought-after material and from that time, those achromatic silica monocrystals were known as rock crystal or mountain crystal.
It is astonishing how quickly ancient civilisations learnt to cut rock crystal using sand, a material of equal hardness.
Rock crystal was used to make jewelry, luxury items for the top society classes and also items related to sorcery.
www.luckyglass.cz /en/mountain_crystal.html   (193 words)

  
 Salt Lamp Speleo Therapy Air Ionizer Asthma Sinuses Allergy Respiratory Disease Speleotherapy,Emphysema,Speleo-Therapy ...
Bath Salt Crystal Rock is popular and used in Health and Beauty Spas, Salons, Massage Therapy, Health Clubs, Hydrotherapy Treatment Facilities and by the General Public.
Non-illuminated crystals (cool Salt Crystal, underground Salt Mines) produce Negative Ionizing effect, however the Salt Crystal Lamps which are illuminated from inside with a lamp (warm Salt Crystal) produces and emits a higher number of Negative Ions and delivers a more efficient Ionizing Effect.
The salt crystal lamps are carefully shaped to retain the unique, natural shape and crystal structure of the salt rock.
www.buyamag.com /salt_crystal_lamp.php   (1474 words)

  
 Crystal ROCK - RockWiki
It is designed to bring one solution for one problem yet still be useful for both server and desktop installations.
Most information in this wiki directly relates to Crystal and the vast majority of the features present in ROCK were introduced to improve Crystal in one way or another.
Crystal test builds are created frequently for testing changes to ROCK Linux at build time.
www.rocklinux.org /wiki/Crystal_ROCK   (136 words)

  
 Rock Crystal Lamp, Natural Gem Stone Lamp
These Quartz Crystal Lamps are in their natural form and may vary in size and appearance.
The salt crystal lamp releases healthy negative ions to cleanse and improve the quality and freshness of the air you breathe and the beautiful glow creates an atmosphere of tranquility.
This beautiful salt crystal lamp weighs 4 to 5 pounds and is 5 to 6 inches in height and comes with a wooden base.
www.earthlyherbs.com /rock-crystal-lamp.htm   (652 words)

  
 Schonbek Rock Crystal Chandeliers
The earliest crystal chandeliers, dating back to the sixteenth century, were ornamented with rock crystal, but in contemporary times such chandeliers have rarely been seen outside palaces and museums.
Rock crystal is as old as the Earth, a rare quartz prized through the ages by emperors, conquerors and collectors.
Every rock crystal is unique in the universe, created by sublime geological events taking place over eons.
www.schonbek.com /rockcrystal/index.html   (276 words)

  
 Buckingham, Majestic Rock Crystal Chandelier
And in fact, every individual rock crystal displayed on the chandelier is a gemstone unique in the universe, bearing the signature of Nature in its veins, constellations and fissures.
Rock crystal drops and kites are majestically oversized, as are the rock crystal bobeches.
Plump faceted crystal beads are hand-strung above and below the arms and scrolls, magnifying their magnificence.
www.schonbek.com /rockcrystal/pages/buckingham.html   (182 words)

  
 Quartz Crystal Jewelry (natural rock crystal)
Naturally colorless rock crystal quartz pieces that were mined in Brazil were tumbled and polished in baroque shapes, and then drilled and strung on an interwoven elastic band fitting all wrist sizes up to a size 8.
Naturally colorless rock crystal quartz pieces of superior quality that were mined in Brazil were tumbled and polished in baroque shapes, and then drilled and strung in a 18" (45cm) length with a sterling silver clasp.
Natural rock crystal pieces from Brazil with superior transparency were tumbled and polished in baroque shapes, and then drilled and strung in a 36" (90cm) "endless" length.
www.mineralminers.com /html/rkxjlry.stm   (3018 words)

  
 Maureen Gallagher Jewelry - Rock Crystal Collection
The stone of the new Millenium is Rock Crystal--officially decided by MGJ.
Fortune tellers have been using Quartz Crystal to see into the future for centuries.
It is considered to have some healing and protective qualities, but we love the crystal and silver combination reminding us of cool contemporary design.
www.jewelrybymg.com /rockcrystal.html   (66 words)

  
 Acorn Soap N Candle Supply - Recipes - Rock Crystal Soap   (Site not responding. Last check: 2007-11-03)
After a very thin skin has formed on the soap in your crystal mold, make a small pierce in the skin and pour the gold over that spot.
Because you are pouring a very thin layer of gold on top of your first color, be sure your gold is warm enough to stick to the first layer.
Since these crystals are made in thick “rubber” molds, they take longer to set up then other molds do.
www.janessmallgifts.com /info/recipes_rockcrystal.htm   (421 words)

  
 Crystal Rock Salt lamp your source for Polish Salt Lamps   (Site not responding. Last check: 2007-11-03)
These beautiful lamps are made from natural Rock Salt Crystal accumulated over millions of years in salt caverns deep underground, untouched by pollution.
Crystal Salt Lamps are just another practical application of natural salt.
Salt Crystal naturally provide the"freshness of the air"experienced after a thunderstorm,making a positive difference to indoor air quality by emitting powerful healthful ions.
www.crystalrocksaltlamp.com   (256 words)

  
 Versailles, Rock Crystal Chandelier with Contemporary Edge
The ornate scrollwork and open cage construction are authentic to the period, as is the lavish display of crystal.
So is the dramatic rock crystal spike at the center of the chandelier.
Every rock crystal gemstone is painstakingly hand carved and hand polished.
www.schonbek.com /rockcrystal/pages/versailles.html   (189 words)

  
 Sabato's Crystal Ball - About the Crystal Ball   (Site not responding. Last check: 2007-11-03)
But with six weeks left to go until the midterm madness draws to a close, the Crystal Ball sees several indications that the tide may be turning back in the GOP's favor--at least temporarily.
Last week, the Crystal Ball updated its outlook to predict a pro-Democratic shift of 12-15 seats in the House, 3-6 Senate seats, and 4-6 governorships.
With President George W. Bush winning a narrow reelection and the GOP gaining four seats in the Senate and three seats in the House, it was a decidedly good year for the party of Lincoln.
www.centerforpolitics.org /crystalball   (3489 words)

  
 Full Circle - Rock Crystal
Experience the depth and power within the rock and mineral kingdom.
Holding stones to help balance internal energenic patterns, massage crystals to enhance and augment the intentional movement of energy when working with others.
Crystal gemstone, the flowers of the mineral kingdom.
www.crystalessences.net /rocks.html   (145 words)

  
 eBay - rock crystal, Rocks, Fossils, Minerals, Lamps, Lighting, Ceiling Fans items on eBay.com   (Site not responding. Last check: 2007-11-03)
Rock and Republic Jagger chroma w crystals 28
Rock SALT CRYSTAL LAMP Natural Ionizer lamps 7-10lb M
Rock SALT CRYSTAL LAMP Natural Ionizer lamps 11-15lb L
search-desc.ebay.com /search/search.dll?query=rock+crystal&newu=1&krd=1   (479 words)

  
 Shopping.com - Shopping made simple
Schonbek La Scala Rock Crystal Chandelier - 25 Lights - 5412 / 5412-76 - He...
Pattern: Royal Crystal Rock Aurea Platinum Pattern Description: Cut, Platinum Trim Height: 7 1/2 Inches Other serving and accessory pieces may be avai...
Schonbek La Scala Rock Crystal Chandelier - 24 Lights - 5413 / 5413-22 - He...
www.shopping.com /xGS-Rock_Crystal   (1168 words)

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