Colored Stone Values
Value in a colored stone is based on rarity, followed by intensity and trueness of color, as well as evenness of color. Following these factors in determining value is cut, and weight.
Jewelry Frequently Asked Questions ...
How colored stone prices are fixed @ Jewel Info 4 U
By:Ardamun
Summary: In the ancient times, the colored stones were graded and classified according to their color.
Gemstones (Colored Stones) for Sale
All prices are in US dollars. Unless otherwise noted, these stones are all natural in origin and have not been dyed, irradiated, fracture-sealed, or otherwise enhanced, ...
Colored Stones : Optical Properties
Introduction:
Of all the various properties of a gemstone the optical characteristics are of unsurpassed importance.
COLORED STONE - All natural gemstones except for diamonds or colored diamonds.
Colored Stones
A gemstone other than a diamond.
Crazing
The tendency of Opals to crack when exposed to heat or drying air. Also known as Checking.
colored stones Refers to gemstones that are non-diamond. Also referred to as soft stones.
conchoidal A type of fracture that is non-diamond such as glass. Resembles a shell-like smooth surface.
Colored stones: When discussing a faceted stone, the first distinction that is often made is shape (face up outline). As is also true of diamonds, colored stones are either rounds or fancy cuts. So ovals, pears, freeforms, etc. are all "fancy".
Colored Stone Editor-in-Chief David Federman’s online article, “Blue Topaz: The Ban That Never Was,' discusses whether the Nuclear Regulatory Commission (NRC) had in fact required retailers to suspend sales of blue topaz.
GIA Colored Stone Identification Report
These reports identify the material of your specific gemstone, outline its color, transparency, shape, cut, dimensions, and weight, and include a digital color photo of the stone.
Colored stones are mined in a large number of places, with the largest producers being Brazil, parts of Asia (including Sri Lanka, Thailand and Burma), and several countries in East Africa (including Kenya and Tanzania).
Colored stones evolved as talismans and amulets. They were thought to offer predictions for the future, to protect the wearer from harm and to aid healing. As such, they became important traditions in many religious practices.
Colored Stones.
Another great look is the wedding band with alternating diamonds and colored gemstones - most often rubies, sapphires or emeralds.
Colored stones are all about many characteristics of color:
- Color tone
- Saturation
- Purity of color ...
Colored stones remained very popular as well. Sapphire, ruby and emerald being the most sought after stones.
Colored Stone is a bimonthly, international trade magazine that covers all facets of the colored gemstone industry, including new sources for colored gemstones, mining and processing, manufacturing, retail sales, consumer buying trends, ...
COLORED STONE - A gemstone of any species other than diamond. This usage arbitrarily classifies all varieties, but still does not include colored diamonds. This system has, however, proven to be a practicable and satisfactory general classification.
Colored stones have different habits of clarity, so that they are classified into three 'Types', which are defined as under: ...
COLORED STONES All gemstones other than Diamonds, or colored Diamonds.
CORUNDUM A gem species that is found in many colors. Red Corundum is called Ruby and all other varieties are called Sapphire.
Colored stone: Any precious or genuine stone other than diamond used as a component in jewelry; sometimes used to describe synthetics, glass, plastic or similar imitations.
AGL Colored Stone Certificate
An AGL (American Gemological Laboratories) report (above, right) also provides detailed information about the dimensions, carat weight, shape, cut, and enhancements of a stone.
This honey-colored stone (it looks almost like dark citrine) has a calming and stabilizing effect. This makes it very useful when one is going through emotional turmoil, such as anger and stress.
When cutting colored stones in the brilliant cut, especially if the material is very costly and its color in need of being darkened or lightened, ...
diamond & colored stones
diamond certificate
compact diamond certificate
color certificate
arabic diamond certificate ...
A ring set with colored stones, the first letters of which spell the word regard, ruby, emerald, garnet, amethyst, ruby, diamond. Popular in the second half of the 19th century signifying friendship.
Repoussé ...
The most popular of colored stones. Birthstone for May. Color and clarity highly variable, major factors in valuation.
In jewelry, this period was characterized by delicate filigree in white gold and platinum, with diamonds and pearls predominating, and colored stones used less frequently, producing a light, monochromatic look.
Pure corundum is colorless; the presence of chromium impurities creates the fiery-colored stone known as ruby, and corundum of any other color is sapphire.
You must assume that all sapphires, unless otherwise confirmed by an American Gemological Laboratory (AGL) Colored Stone Grading Report, are heat treated.
Colored Stones
Alexandrite
Alexandrite is unique and unusual due to the fact that its color changes when exposed to different forms of light. When viewed under natural daylight equivalent light, alexandrite looks blue-green.
A debutante in the society of gemstones, first discovered in 1962, tanzanite is one of the newest and most exotically colored stones. It was introduced into the marketplace by Tiffany & Co.
Colored stones are almost never as clean as diamonds and they should not be judged by the same criteria. The bottom line is there is no standardized grading system for clarity: it varies by gem type.
Fine-quality, brown colored stones have been cut from axinite from deposits in Calaveras, Madera, Riverside, and San Diego Counties. Benitoite, the State gemstone, is the collector/specialty stone for which the State is best known.
Bangles to cuffs, tennis and charm bracelets, mesh gold with vivid colored stones, the variety of statements available in bracelets is as unlimited as your imagination. In a word, bracelets are fun.
Fluorite is a mineral that comes in many colors, including purple, clorless, red, pink, yellow, green, blue, black, and multi-colored stones. Crystals are transparent to translucent.
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 name obsidian is usually associated with a black colored stone but it comes in other colors as well like brown, gray, red, yellow, blue, green and in a clear orange form.
The most common style of cutting for both diamonds and colored stones. The standard round brilliant consists of a total of 58 facets: 1 table, 8 bezel facets, 8 star facets and 16 upper-girdle facets on the crown; and 8 pavilion facets, ...
Brilliant Cut - The most common style of cutting for both diamonds and colored stones.
Round Cut or Brilliant Cut: The most common style of cutting for both diamonds and colored stones.
New Jade - A very pale colored stone that is actually serpentine.
Meaning of Jade
The Chinese traditionally believed that the jade gemstone can increases energy levels and prolongs life. It also said to stimulates creativity.
Agate is a banded colored stone found in nodular masses associated with volcanic lavas. The curved banding is distinct from other forms of chalcedony. Agate, being porous, is often dyed or stained.
Stellar Jewelry offers a wide collection of gold rings, earrings, and pendants designed for different colored stone cuts such as emerald, heart, marquise, oval, pear, princess, round, and trillion/triangle.
Abalone Amethyst Aquamarine Black Diamond Cats Eye Chalcedony Chryophase Citrine Colored Stone Coral Crystal Diamond Diopside Emerald Enamel Garnet Gemstones Gold Jade Kunzite Lacquer Lapis Lapis Lazuli Lavender jade Lemon Quartz Moonstone Morganite ...
The electronic carat balance can also be used for the weighing of specific gravity in the determination of diamond imitations or in the examination of colored stones (Fig 390). Additional accessories can be bought for these purposes.
designs - creating excitement via colored stones, new types of clasps, multi-layered strands, multi-colored strands and lariat styles.
Tanzanite is relatively new to the colored stone galaxy. This transparent blue gem first turned up in 1962, scattered on the Earth's surface in northern Tanzania, in eastern Africa. Scientists identified it as a variety of the mineral zoisite.
Upon the top of the canopy, which is made like an arch with four panes, stands a peacock with his tail spread, consisting all of saphirs and other proper colored stones.
Many fine quality colored stones such as ruby, Citrine or Topaz are transparent.
Every colored stone has its own story. Learn how to evaluate gems that we carry in our stores and how to care for them after you purchase your jewelry.
Engagement rings with colored stones also are an emerging trend, with colored diamonds being quite the rage. Many celebrities, such as Jennifer Lopez, have chosen colored diamond engagement rings and this has cemented their popularity.
See Beesley, Colored Stone Training Manual, p. 15.
138. Kashmir sapphire is something of an exception. The diffused sleepy effect, together with the tiny inclusions that produce it, reduce transparency somewhat in Kashmir and Kashmir-type sapphire.
Pleochroism: Variation in absorption with direction in doubly refractive colored stones. Uniaxial crystals can potentially show two colors, while biaxial crystals may show up to three colors.
Greenish black and pistachio-colored stones are most favorable for reflecting, conducting and projecting healing earth energy back into the environement.
Epidote Magical Healing Properties of the Gemstone Epidote
keyword:
emotional cleansing ...
The heart cut imbues diamonds and colored stones with a touch of romance. As the name implies, a heart-cut stone is shaped like a heart.
Spessartites are generally cut similar to other colored stones, with ovals, cushions, trillions and emerald cuts being most common.
In the market, tsavorites are found in a variety of shapes and cutting styles. Ovals and cushions are the most common ...
Colored stones were utilized more, and the opaque stones such as jade, onyx and coral were set in geometric shapes. Sleek animals such as Borzoi and Greyhound dogs were featured in some designs.
The name tourmaline comes from a Singhalese word, « touramalli », meaning "mixed colored stones" and was originally applied to an assortment of colored stones consisting mainly of zircons.
A person who has completed studies in DIAMONDS, COLORED STONES and GEM IDENTIFICATION. He or she should have sufficient experience in the jewelry business to properly apply these studies to appraisals.
Girdle ...
Aquamarine
A blue semiprecious colored stone in the beryl family.
Austrian crystal
An imitation of natural or rock crystal (quartz).
 See also: Stone, Color, Jewel, Jewelry, Gemstone
  
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