Venting
Areas that are open on jewelry to allow more light to pass through a set stone.
Vermarine ...
PREVENTING TARNISH
Even if you always wash and dry quickly and carefully, silver will still tarnish gradually because of the sulphur in the atmosphere.
By circumventing the De Beers supply chain, Alrosa now sells direct to cutting factories throughout Russia, which are now owned by Lev Leviev.
Venting is The escaping of hot gases or lava from the crust of the earth. ventifact A stone that has been flattened and sharpened by wind abrasion. Ventifacts are commonly found strewn across a desert floor.
"Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps". Cochrane database of systematic reviews (Online) (3): CD003548. doi:10.1002/14651858.CD003548.pub3. PMID 16034903.
Use only outdoors or in an area with proper exhaust venting. As usual read all precautions on the individual component packages.
The solution is good for only about 24 hours and should be discarded after that.
Priya is constantly reinventing techniques of wire-wrapping with a contemporary twist. Her textiles background shows her sensitivity to texture, repeat, colour and form.
Cartier is ascribed with inventing the first wristwatch in 1904 that was prepared on a worldwide status with extraordinary magnificence.
This may be done to produce colors not usually found in nature, to improve color, to improve clarity, to reduce porosity and stabilize color (by preventing absorption of discoloring oils and other substances), or to enhance durability.
In fact, the main factor preventing the spinel from achieving greater recognition is its rarity. Fine spinels are now rarer than the rubies they used to imitate.
Some sapphires are found closer to thermal venting in the earth, which produces exceptional color through natural heating. By heating gemstones that are not found in these locations, mimicking of this natural process takes place.
A safety chain is a secondary closure (usually on a fine bracelet or watch) that is used in case the primary clasp opens, preventing the loss of the bracelet.
Hematite is very helpful for people who have difficulty in preventing themselves from absorbing the emotions of others.
Flux: A substance used to promote fusion by preventing oxidation at the point of soldering, thus enabling the solder to flow.
G
Gauge: A measuring device for determining diameters, thickness, height, etc.
translucent Allowing light to pass through, but preventing the clear viewing of images.
transmission luminescence Emission of light effect by a substance caused by the excitation of light rays.
All of the nations with significant involvement in the diamond trade and the leading industry associations cooperated in creating a global certification system aimed at preventing criminals from placing these conflict diamonds into the legitimate ...
thing you can do in a small workshop to limit oxidation is to use a slightly gassy flame (more gas than air) which produces a local reducing atmosphere on the surface where the unburned gas present seeks to bond with available oxygen thus preventing ...
If you are buying, this means that rubies should be purchased early or late in the day, while sapphires are best bought near midday, thereby preventing a surprise when the stone is examined under another lighting condition.
Even if the live subject was available, these commemorative cameos were usually produced from a photograph preventing long tedious sittings for the subjects and the carver could create as many identical cameos as ordered.
Even though moissanite is a lower-cost alternative to diamond, there are three main factors preventing moissanite from dethroning cubic zirconia as queen of diamond simulants: dispersion, color, and cost.
Compounds & Effects - Acetylene
High concentrations of acetylene and carbon dioxide become asphyxiating by preventing normal supply of oxygen to the lungs. Acetylene also contains toxic impurities. Highly flammable and explosive.
Forming a metal at a temperature high enough to promote recrystallisation, thereby keeping it soft by preventing cold working.
Hy-ten-si
American Manganese Bronze Co, Philadelphia term for a complex high tensile brass for bearings.
flux - A chemical composition used to enable solder to flow when it melts by preventing oxides from forming when metal is heated during soldering.
This magical blue stone was attributed with curing eye diseases, being a poison antidote, preserving the chastity of the wearer, and preventing poverty, betrayal or wrongful conviction. If all these things were true, its popularity was warranted.
Friction Back
A small metal back is pushed on the earring's post through a hole, preventing it from slipping off.
A bar or tongue catch for brooches, necklaces and pins. The tongue or bar can be operated to close the opening in the catch preventing the loss of jewellery.
SAPPHIRE ...
symmetry may misdirect light that travels into the diamond, sending it off at slightly wrong angles, and thereby reducing the diamond's brilliance. Often, a diamond cutter will purposefully allow a minor reduction in symmetry as a way of preventing a ...
The knot serves several purposes, including keeping the Pearls spaced evenly so they don't scratch each other, and preventing the loss of more than one Pearl if the strand should break.
In addition to "preventing" drunkenness, people also once thought the stone encouraged celibacy and symbolized piety. Amethyst was therefore very important in the ornamentation of churches in the Middle Ages.
A poor cut will muffle the brilliance, or sparkle, or a diamond, by preventing light from being dispersed evenly. The cut is the only one of the 4 Cs that is determined by artistry and not by nature.
ability to send negative energy back to the sender, the way a mirror reflects light. Red jasper is very lucky for actors. Helps balance the energy in the body. It also promotes physical energy. Red Jasper is particularly used for help in preventing ...
By circumventing the best cutting angles as described by Tolkowsky, diamond cutters were able to fashion heavier and larger diameter (i.e. -more expensive ) diamonds but consequently sacrificing brilliance and beauty and in some cases durability.
I left with a gemstone doughnut, a watch face, some Swarovski crystals, lots of seed beads, a dichroic cabochon, some Bali beads, Beadsmith Fireline, a tube of G-S Hypo Cement, and a package of Bead Stoppers (why didn't I think of inventing that).
for popularizing the use of platinum in jewelry during the early 1900s. Famous for his garland designs during the Edwardian period, Louis Cartier also was influential during the Art Deco period, as well as the designer responsible for inventing the ...
Like bracelets it also helps to alleviate numbness of the legs. Preventing the joints from retaining water, ...
It was also believed to be an effective talisman against accident and fire, and to bring increased intuition and long life. The ancient Romans credited Topaz with preventing sickness of the chest and abdominal tract.
 See also: Stone, Rough, Jewel, Make, Color
  
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