This is a comprehensive resource featuring a day-by-day chronology of the military, diplomatic, international, and domestic events that took place during Operation Desert Shield/Storm and allows the reader to reflect on some important post-war facts ...
OPERA NECKLACE:
Necklace style drapes at 28 to 34 inches long. Sometimes it is also doubled and worn as a shorter necklace.
See also: Choker
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Symmetry operations are used to describe the crystal's outward symmetry. Symmetry operations help to define the manner in which a crystal can repeat the facets or faces on their crystal's surface.
Mirror Plane ...
Opera (26 to 36 inches): The opera necklace reaches down to the breastbone.
Pearl Rope (37 inches or longer): A pearl rope is any length that falls below opera.
OPERA-LENGTH
An opera-length necklace is a single strand that is from 30 to 35 inches (60 to 90 cm) long. Opera-length generally refers to a string of pearls that hangs to the breastbone.
OPERCULUM ...
Opera Length: A necklace which is 48 to 90 inches long.
Optical Properties: A gemstone's inherent ability to interact with light. Color, dispersion and fluorescense are all optical properties.
Operating cost
cash cost plus depreciation and amortization
Ore
material that contains one or more minerals, at least one of which can be recovered at a profit ...
Opera Length: A necklace which is 48 to 90 inches long.
Ore: A metal bearing mineral from which metal can be profitably mined or extracted.
Oriental Pearl: A pearl that has formed naturally with no human intervention. See also "Pearl".
Opera Necklace
At 11-13 inches, the collar necklace sits directly on the neck of the wearer and highlights long, thin necklines. For those with larger necks, the collar necklace may be an uncomfortable choice.
Rope Necklace ...
Opera - A 30- to 36-inch necklace, this length should fall to the breastbone and can often be worn long or doubled.
Opera Length
Opera Length is a long necklace that reaches the breastbone; it is usually 48 to 90 inches long.
Oval Cut
Oval Cut is a type of fancy cut diamond that is oval shaped.
Opera length
A pearl necklace 28 - 36 inches (70 - 90 cm) in length.
Orient ...
Opera-length An especially long strand necklace. Length is 26 to 36 inches. These are really starting to be the hit of fashion right now.
Opera-length
A term applied to jewelry or accessories that denotes a longer than normal length. Opera length necklaces are generally over 48 inches long and opera length gloves go all the way up the arm (also referred to as 16 button).
Pave' ...
Opera - Ideal for formal engagements, this necklace style drapes elegantly at 28 to 34 inches long. Sometimes it is also doubled and worn as a shorter necklace.
Opera Length - a single strand necklace which is 30-35" in length. It hangs to the breastbone.
Oriental pearl - a pearl which forms normally without human intervention or creation.
Opera Length - Very long single strand necklace 48 to 90 inches
Overlay Technique - A technique whereby two pieces of silver are used, one in which the design element is cut out and the second to which the first is soldered to.
Opera Length
28-34 inches
Extremely graceful and flowing.
An absolute beauty which can be used in a multitude of ways.
Opera - 32 in
Falling just below the bustline, the Opera strand is great for eveningwear and compliments every body shape. For less formal occasions, it can be doubled over and worn as a twin choker ? a true day into night piece.
Opera Length
This term refers to a long necklace that is usually 24 to 36 inches in length. The term was coined as women flocked to the opera in long strands of pearls. Today the term can be used with any type of necklace.
Organic ...
Search Operations Slow
Gary Roskin’s April 30 JCKonline story gives a detailed account of the challenges facing search operations in the aftermath of flooding in which dozens of tanzanite miners were trapped and killed in late March.
Operation
The Howe No. 1 open cut is an enormous excavation when compared to most Connecticut quarries. The water filled pit is 100 feet wide and 800 feet long (figs. 12 and 13).
OPERA LENGTH A single strand of pearls 30" to 35" in length.
OXIDATION A chemical process which tarnishes the surface of a metal leaving a "patina" or film/finish.
Operation of the electronic carat balance is simplicity itself. On-and-off switching, zero settings and tare can be carried out at the touch of key.
Opera - A pearl strand 32 inches in length.
Orient - The iridescent play-of-color that gives pearls their deep inner glow.
Oval - A cut shape for gemstones.
Opera length: Used to describe a chain or single strand of pearls or beads that is 28" to 30" long.
Overlay: Decorative layer.
Oxidizing: Darkening the surface of metal by chemical or heat application.
Opera
Term used to describe the length of pearls or a necklace (usually more than 30 inches long)
Orient ...
Opera Length - 28" - 30" strand of pearls
Graduated Multiples - Several chain lengths in one necklace
Necklace Accoutrements: ...
Opera length: Long (30 inches) necklace, generally of pearls; double the length of a choker.
Oval bead: Oval or teardrop-shaped metal bead, formed in a swaging process, and cut separately. See fancy bead.
opera
Ideal for formal engagements, opera-length necklaces drape elegantly at 28 to 34 inches long. Sometimes opera-length necklaces are doubled and worn as a shorter necklace.
optical properties ...
An operation where oysters are bred and grown in captivity for the production of cultured pearls, and then nucleated and tended until cultured pearls are ready to be harvested.
Pearl fisheries ...
Opera Length
A necklace that is anywhere between 26 to 36 inches in length. For variety, can be worn as a single strand or doubled into a two- strand necklace.
Mining operations are conducted by state-owned mining enterprises such as Myanma Gems Enterprise (MGE) and Myanmar Economic Holdings (MEH).
Computer Operator: coming soon and already here in some places are computer driven machines which carve wax, build up plastic models, harden plastic models from liquids, mill steel molds for wax or plastics injection.
The major operational areas of the company include primarily Australia and North America with meaningful businesses in South America, Asia, Europe and southern Africa.
Owner and Operator of Several internet sites, view his great selection of magnetic bracelets here.
Rating: 5.00 --Choose-- 0 1 2 3 4 5 ...
Owner and operator of this website.
Cheap
A word which is not usually associated with diamonds or jewellery. It is considered to have negative connotations.
The island operates today as it did centuries ago, making the best, hardest glass in the world.
A manually operated rock drill, generally powered by compressed air, used to drill holes for blasting rock and to install ground support hardware.
Lenticular-shaped
Resembling in shape the cross section of a double-convex lens.
Faceting The operation of placing facets on a diamond or other gem.
Feather When the plane of cleavage or fracture in a diamond is viewed at right angle to it, the appearance is often reminiscent of a feather.
This process operates regardless of the origin of the parental magma to the granite, and regardless of its chemistry.
Metropolitan Opera House opens in New York City
1884
Sotirios Bulgari opens up shop in Rome, Italy ...
Point Symmetry Operations
Point symmetry describes the repetition of a motif or structural feature around a single reference point, commonly the center of a unit cell or a crystal.
FASHIONING - Any operation employed in preparing rough gem material into polished gemstones such as cleaving, cutting, or faceting.
The financial and operating terms of the collecting contracts vary from mine to mine. Some of the operations are little more than the efforts of individual commercial collectors.
RELATED TERMS: See Princess Length, Matinee Length, Opera Length and Graduated Multiples Length Nick Setting:A type of setting similar to a channel setting where gemstones are placed in a row with bands of metal on either side forming an ...
Opening a mine is a time-consuming and costly operation, and several tons of ore are required in order to produce just one ounce of the precious metal.
Although one may think of large mining operations as typical, many gemstone mines are operated on a small scale and can be as small as a normal-sized living room. Only diamond mines are commonly operated on a large scale.
The company began operations in 1875 in Attleboro, Massaachusetts, making silver products; it was then called "Whitney and Rice." When the company was sold in 1882, it was renamed "Carpenter and Bliss," and soon after, "E. A. Bliss and Co., Inc.
Fully realizing that education is critical to sustainable growth, GemsTV in co-operation with the Vocational Education Commission, Thai Ministry of Education, launched the Institute of jewelry Technology Chanthaburi in July, 2007.
Thumbpiece: A small knob that operates a catch on bracelets, cigarette cases, compacts, etc. Generally gem set with a cabochon, when depressed, the thumbpiece allows the latch to be opened.
We have owned and operated a number of colored stone mines including one of the world's best producing Aquamarine mines. We were one of the first online sellers of Tanzanite with our award winning site in 2002.
The combination of large volume commercial operations on the Missouri River, and to some extent Rock Creek, ...
A high pressure incandescent lamp/bulb containing halogen gases such as iodine or bromine which allow the filaments to be operated at higher temperatures and higher efficacies.
Catamore Enterprises was a costume jewelry company in operation from about 1942 to 1981. This large, family-owned business was located in Providence, Rhode Island. Their jewelry was sold through Sears, Roebuck and Co., JC Penney Co., Zale Corp.
Dan El enjoys a unique system of management for its global operations, utilizing the benefits of strategic international diversification, through complimentary yet autonomous structures, to endower sustainable growth, ...
By the end of the13th century, the Serenissima Republic had all the furnices operating in the city of Venice moved to the the island of Murano. Murano became a true industrial district and grew to become the capital of glass production in the world.
It is operated by the Tahera Diamond Corporation, which has been exploring for diamonds in Nunavut for the past seven years. Operations will commence with an open pit mine, and despite the harsh climate, it is planned to operate year-round.
And while there are many other diamond grading labs in operation (many of which produce their own grading reports), dfferent labs have different grading standards, and some labs will be more lenient with their standards than others.
This beautiful purple gem was discovered during mining operations for manganese in the 1970's, but it didn't begin to make a market impact until the 1980's.
 See also: Stone, Rough, Color, Jewel, Diamond
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