Intaglio
Intaglio is a technique which dates back to antiquity and is still in use at present. Patterns, designs or - more frequently - images are carved or engraved in gemstones leaving a hollow impression in the untouched background.
Intaglio
An Intaglio is a carving where a design is cut or carved into stone or metal so that the carving is below the surface of the material. A Cameo is the opposite where the design is carved in relief from the background.
intaglio Designs cut in a gemstone that appear in relief when the stone is pressed into a soft substance like clay. Opposite of cutting en cameo.
Intaglio: The art of carving a shell or similar matter beneath its background. An intaglio is the opposite of a cameo.
Iridescence: The play of colors seen within a gemstone as a result of inclusions interfering with light entering the stone.
Intaglio A reverse carved piece. The cameo or picture is carved from behind the glass, lucite, or celluloid and shows through to the front.
Intaglios: A gem carved in negative relief.
Iridescence: This is the rainbow like color effect seen in some gems and is caused by cracks or structural layers breaking up light into spectral colors.
Intaglios
This art conception is quite similar to that of cameos. It is carved on gemstones and seashells as well. The difference between the two is of carved portraits.
Intaglio
The carving or engraving of a design into a gemstone which is the opposite of a cameo which is in high relief
Ivory
African ivory is from the tusk of a male or female elephant whereas Indian ivory is from the male only ...
Intaglio
A design carved into the surface of a gemstone--the opposite in character of a cameo.
Intensity
The color of a gemstone from bright to dull.
INTAGLIO: To cut a design deeply on the obverse or front side of a gem or other type material. Intaglio is the opposite of repousse work done in metals.
Intaglio
A design carved down into a gemstone, unlike a cameo in which the design is raised from it's background, in relief. This technique was often used for seals, which made an impression in wax used to seal a letter or authenticate a document.
Intaglio - An Intaglio is an ornamental stone with a design formed into the stone, sitting below the surface. (In contrast with a cameo.) ...
Intaglio: A cameo carved in reverse relief.
Irradiation: The process of exposing diamonds or gemstones to a radioactive substance that alters the colour.
Intaglio
Intaglio is a style of carving in which the design is carved into the surface of an engraved stone so that the rim shows the highest portion.
Internal Graining ...
intaglio
An engraved stone, the opposite of a cameo, with a recessed design carved into the surface.
invisible setting ...
Intaglio
Interchangeable Bezel
A function of certain types of watches that enables the owner to remove and replace the the bezel with another setting. This features gives the watch added versatility and is common in fashion watches.
1) Intaglio: In these gems, a design is cut into the gem, so that it lies below the rest of the gem's surface. Historically they were worn in a ring which was also used to form a signature seal.
Intaglio: Italian for "carving", an Intaglio is a carved gem wherein the design is engraved or carved into the object so that it sits below the surface plane of the material, as opposed to a cameo in which the design is raised from it's background, ...
INTAGLIO
Intaglio is a method of decoration in which a design is cut into the surface. Signet rings are frequently decorated with intaglio, as are seals.
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Intaglio - a technique used to carve into a piece of amber or other stone backwards as in a negative to create a positive image once looking at the front of the stone. You can an example of this here: Intaglio Pendant
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Intaglio prints can be recognised by the way the ink stands out in slight relief from the surface of the paper and the 'plate mark' where the paper was pressed against the engraved copper plate.
INTAGLIO A design cut into the surface of a gemstone. The opposite of carving in relief, such as is common with Cameos.
INTARSIA A design or mosaic composed of several types of gemstones inlaid in metal.
Intaglio - Carved gem where the design is created by incising into the stone making a negative pattern.
Intaglio - Decoration made by carving or engraving a design into a gem or other hard material. Intaglio is the opposite of cameo.
Intaglio...Incised carving; a sunken design, ie: cameo
Intarsia...Mosaic inlay work using colored stones. (and wood)
Ion...Electrically charged atom, radical or molecule.
INTAGLIO - A gem in which the design has been engraved or carved into the stone.
Cameos and intaglios are similar in that both usually are carved portraits in stone or seashells. They differ in that cameos are raised portraits, while intaglios are carved down into the surface of the material.
Athena bloodstone intaglio c.50 AD (photo: Jastrow)
Theophilus also describes the method for using a "dop stick" by attaching the gemstone to a "long piece of wood of comparable thickness" using "chaser's pitch, ...
gems, woods and metals are inserted and cemented into the surface of another material and ground down to create a smooth surface Invisible Setting A channel setting using calibrated stones without any metal showing from the top Intaglio The ...
intaglio Gemstone carved into a cameo, but instead of the engraving raised above the background, as in the cameo, the engraving is etched into the background. intermediary Describing a mineral midway between two mineral of a series.
As a jewelry stone, it is either carved (intaglios), polished en cabochon, or fashioned into beads, bracelets or rings.
The quality of the jade is taken into account when fashioning.
Gemstones were engraved intaglio with mythical scenes which appeared in relief when the stone was impressed in clay tablets. These engraved gems became the official signatures of kings, nobles, and high-ranking officials of the court.
Using the intaglio method, the Greeks perfected the swivel ring. This shall be dealt with more thoroughly in the chapter entitled "rings", but basically it was a scarab which could be turned over and used as a seal for the owner.
" The ancient Greeks and Romans used onyx for cameos and intaglios, and in India, onyx was worn for protecting against the evil eye and also for cooling ardor (it was believed that onyx provoked discord and separated lovers).
Frequently Garnets were carved into cameos and intaglios and worn in rings. Carbuncle is an old term which typically referred to a Cabochon Garnet. The back of the Cab was hollowed out to create a brighter Garnet and make it more transparent.
A carved design, like an intaglio, which was usually worn on a ring. It was pressed into soft wax to authenticate a document.
hematite - An opaque mineral; yielding pigments when red and earthy; fashioned as intaglios and other carved gems when dark gray to black with metallic luster. The latter variety is translucent and red in very thin sections.
THE Amethyst reference: Intaglios, engraved gems, Greeks, Romans, Renaissance
Short Amethyst Overview
Classic Amethyst Localities
Amethyst locations in Spain , Siberia and Brazil (1871)
Bohemian Amethyst (1865) ...
Citrine has been used for ornamentation since at least the fourth century BC, and was often used by the Romans in intaglio and other jewelry uses. The color comes from the presence of iron in the quartz.
The stone has its use in intaglios and cameos. It is actually silicon dioxide with the specific gravity ranges in between 2.65 to 2.66. The hardness of this stone is seven on Mohs scale and the refractive index varies in between 1.543 to 1.552.
The ancient Romans used it for beautiful jewelry and intaglio work. It was also very popular for jewelry in the 19th century.
Die Stamping: The process of intaglio engraving. A sheet of metal is cut and shaped between two dies forming a relief. This process is also known as "machine stamping".
Dinner Ring: A cocktail ring.
GLYPTOGRAPHY
Glyptography is the art of engraving gemstones, making intaglio and cameos. Stones are engraved using grindstones with powdered emory or diamond as an abrasive
Karat Percent Gold
24 Kt.
Hardstone: The term used for any opaque stones used in making cameos, intaglios, or mosaics, such as agate, carnelian, onyx, etc.
Head: The prongs that secure a stone onto a setting.
2nd Place
Chu Alice Chan
AJ Art Land, Inc.
An intaglio heart and lady's face carved from a 43.01 ct. Amethyst.
Jasper has been used for intaglio carvings. Jasper is a type of quartz belonging to the chalcedony family. It is often sealed with petroleum products. Jasper is sometimes dyed to resemble lapis lazuli and misleadingly called "Swiss lapis.
A heavy, metallic gray to black gemstone used in beads and often in intaglios
Inclusions
Natural particles or foreign matter which is enclosed with-in a gemstone ...
This brownish-red, opaque gemstone was once used extensively for seals and was carved using intaglio. Sard was named for Sardis, the ancient capital of Lydia. Sardius is mentioned in the Bible, and may refer to jasper.
An all encompassing term used for stone or gemstones used in making intaglios, cameos, or mosaics. This group includes agate, onyx, and carnelian.
Harlequin Pearls ...
Signet Ring
Made by intaglio engraving in metal or semi-precious gemstones.
Reverse Crystal Jewelry: (also called Essex crystal) A clear crystal is cut as a cabochon. A carving is made on the flat side, like an intaglio, and painted with a thin layer of mother of pearl to produce a three-dimensional effect.
Treasured by the Romans, opals were held in high esteem and worn by the wealthy in the form of rings and intaglios as a symbol of love, hope and purity. The Arabs believed that the opals fell from the sky during lightening storms.
A form of Quartz, the Romans prized them as seals, and the Victorians carved them into an endless array of cameos and intaglios. To this day, the elegant appeal of black Onyx makes it the choice of those who prefer basic black.
Amethyst was used as a gemstone by the ancient Egyptians and was largely used in antiquity for small engraved gemstones or intaglio.
Hematite was often used as seal stones, cut as intaglio. It is also used as beads and is faceted, carved or cut as a cabochon for use as a gemstone. The ancient Egyptians carved hematite into scarabs.
Onyx
Onyx is a chalcedony that consists of parallel bands of white and black. It is a semi-precious gemstone and is commonly used in cameos and intaglios.
It is opaque and generally dark grey (almost black) in colour. It is cut en cabochon or as beads, though in Germany it is also used for intaglios. It is similar to steel in appearance, but much darker.
The signet ring was engraved with a symbol (a coat of arms or initials) identifying a particular person. Some signet rings also had intaglio-carved seals. The earliest-known signet rings date from ancient Egypt, thousands of years ago.
Scarab - made to represent an Egyptian beetle, semi precious stones are carved with a distinctive pattern. Sometimes in swiveled mountings so the intaglio on the reverse side can be seen.
Onyx is not always black, but black onyx is the most popular in jewelry. Onyx also exists in white, tan, and brown. It is usually cut in the shape of a cabochon and sometimes found in the form of beads. Also commonly used for intaglios and cameos.
 See also: Jewel, Stone, Gemstone, Jewelry, Color
  
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