Matrix Opal
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The famous Virgin Rainbow Black Opal is for sale here!
Matrix Opal ...
Enhancements
Mexican matrix opal is commonly treated with a sugar solution infilling in acid bath to darken the background and enhance color play and intensity.
More information on gemstone enhancements.
Mexican Matrix Opal ...
Matrix
The rock in which gemstone material is found. Some matrix material may remain in a finished gemstone--the veining in turquoise is a common matrix seen in a finished gemstone.
MATRIX. The portion of rock in which a mineral is embedded. Gem minerals are sometimes cut together with a portion of the matrix and the matrix itself is sometimes cut and mounted like gems.
MELANGE. Diamonds of mixed sizes.
Matrix
The veins that are seen in semiprecious gemstones, for example, the black or copper veins that run through turquoise. Synthetic stones in costume jewelry mimic the matrix of genuine stones.
Matte finish ...
Matrix: The natural rock or mineral in which a gemstone is embedded. Boulder opals have a natural matrix base, and turquoise sometimes has black matrix throughout ("spiderweb" turquoise).
Matrix
Matrix is a rock in which gemstones are found. It is also referred as the host rock or parent rock.
Melee ...
Such matrix can affect the color and toughness of the stone and its workability for the lapidary or jeweler. Relatively pure specimens of turquoise might have a hardness of around 5 and be moderately porous.
Matrix Base material, surrounding material
Mesosiderite A class of meteorite; partly stone, partly nickel iron in a melded mixture
Meteor A meteoroid that has entered Earth's atmosphere ...
Matrix
The finer-grained material between the larger particles of a rock or the material surrounding mineral particles.
Mill ...
Matrix rhodochrosite (4.0 x 3.0 x 3.0 cm) from China—the new discovery at the Ste-Marie show. Grouping of five main frosted crystals, three larger, two smaller and numerous, even smaller crystals.
Matrix
Matrix is the rock that a gemstone is formed in.
See a photo of NC rubies surrounded by matrix.
Also Known As: host rock, parent rock ...
Matrix
FD/S
Dyed via sugar solution infilling, then acid bath to dye background and enhance color play and intensity ...
Any matrix may be written as the sum of an antisymmetric matrix and a symmetric matrix, and this breakdown is independent of coordinate system, and so has physical significance. The velocity field may be approximated as: ...
"Opal Matrix" has tiny specks and films of precious opal distributed through a dark volcanic rock and the mass is shaped and polished as a whole.
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Opals with matrix
Opal is sometimes cut with pieces of matrix, the host rock that contains the opal. This strengthens the opal a bit; it also may lend a more interesting appearing, darker body color to show off the play of color.
Rough black matrix opals
Australian Opal
Black Australian opals from Lightning Ridge, Australia ...
"Spiderweb" matrix, containing fine dark lines with an attractive, even pattern surrounded by deep blue turquoise is preferred by some collectors.
Turquoise - Matrix of sky and earth
Turquoise is synonymous with beautiful Southwestern jewelry. Often paired with silver or copper, it's a favorite stone for collectors the world over. More than almost any other gem, turquoise has personality.
This is a limestone matrix with andalusite crystals. It is also called Porphory. It received the name Chinese Writing Rock or Stone because of the crystalline structure resembling the Chinese characters of the written language.
Comments: Graywackes are SANDSTONES composed of a mixture of abundant mineral and rock fragments, together with a fine grained clay matrix that constitutes from 15 to 50 percent of the rock.
matrix A material that has an embedded crystal inside or emerging from it. meandering stream A stream that traverses relatively flat land in fairly evenly spaced loops and separated from each other by narrow strips of floodplain.
References like this may include Arizona turquoise, because many mines in Arizona, Nevada and Northern Mexico have the proper mineral conditions to produce a light, bright-blue turquoise, with small-to-medium amounts of matrix.
Howlite is easily dyed various colors and with its attractive grey matrix, is often dyed azure blue and used as a turquoise look-alike. Howlite has a hardness of 3.5.
Iolite ...
All along the sides and bottom of the pocket were matrix specimens of Tourmaline, Albite, Lepidolite, and Quartz.
Summer 1974, Treating Matrix Opal, p. 306, 3pp.
Summer 1974, Synthetic opal, p. 309, 3pp.
Fall 1974, Imitation opal on matrix, p. 331, 2pp.
Fall 1974, Gilson synthetic opal (black), p. 343, 1p.
Turquoise Ring: Brown or grey streaks in turquoise are caused by the "matrix", or "mother stone", from which the turquoise is mined. Interesting matrix patterns are considered to add beauty to the stone.
Brown or grey streaks in turquoise are caused by the "matrix", or "mother stone", from which the turquoise is mined. Interesting matrix patterns are considered to add beauty to the stone. Only Persian turquoise is usually without apparent matrix.
The finest turquoise is Persian (Iranian) turquoise; it is robin's egg blue and has no matrix (streaks of the mother stone from which they were found). North American turquoise is greener and has a matrix streaks.
Matrix - The rock or mineral surrounding a particular crystal or group of crystals.
Metallic - Having a luster resembling polished metal (Specular Hematite, Galena) ...
General opal classifications are: "Boulder Opal" which is opal on a dark ironstone matrix (typical occurrence: Quilpie, Queensland); "Crystal Opal" which is transparent to semi-transparent black, ...
Boulder Opal - opal with play-of-color that is present in a matrix of dark brown or black sandstone (ironstone).
The rock responded beautifully to the chisel and I collected about four flats of dravite tourmaline in marble matrix. Average size of the dravite was 5mm long though they ranged up to 19 mm long (Figures 3 and 4).
The technique of intarsia inlays sections of wood (at times with contrasting ivory or bone, or mother-of-pearl) within the solid stone matrix of floors and walls or of table tops and other furniture; ...
The rarest and most valuable color is the intense sky blue without any trace of matrix, or web like lines often found in the stone. Turquoise with matrix may be less valuable, but of the matrix variety the 'spiderweb' is the most desirable.
Natural Turquoise is an opaque blue gem, typically exhibiting light or dark matrix veining, that has been used as jewelry for over five thousand years.
The White opal, Black Opal, Opal Matrix, Boulder Opal, Harlequin Opal, Jelly Opal, and Crystal Opal fall into this category.
The Fire Opal usually does not show any play-of-color.
Nuggets with attached matrix can be found, but well-crystallized gold on matrix, is much less common.
Near Aberfeldy, in Perthshire, a rare, small find of matrix gold was found some years ago.
These jigs provide a matrix of holes in a clear acrylic base that allow positioning of metal pegs to make jewelry components.
Persian turquoise is robin's egg blue and has no matrix (streaks of the mother stone from which they were found). North American turquoise is greener and has a matrix streaks.
Boulder Opal, formed in a sandstone matrix called ironstone, has light flashes of blue against a rich pattern of dark brown, reddish brown, and tan.
Garnet derived its name from the Latin word granatus, meaning like a grain, which refers to the mode of occurrence wherein crystals resemble grains or seeds embedded in the matrix.
Turquoise may also contain veins or blotches, which may be brown, light grey or black and are known as matrix or spider webs. Turquoise of an exceptional blue colour is valued with or without a matrix. Turquoise is rarely faceted as it is opaque.
Bright purple stones with little matrixing or blotches are the most valued. Gem grade Sugilite is beautifully translucent and because it is quite rare it brings a high price.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
The best quality turquoises are of a pure, radiant sky blue, a colour which is highly esteemed with or without its fine, regular matrix.
Zoisite has three known forms: anyolite (a green matrix containing rubies), tanzanite (transparent, blue-violet containing strontium), and thulite (opaque pink crystals containing manganese).
Mostly exists as bulbous, coarse aggregates, frequently interspersed with brown matrix; is commonly cut. Healing PROPERTIES: Stimulates emotional stability. Enhances self-confidence. Balances body and mind. Benefits heart, blood.
Most natural blue diamonds contain boron atoms which replace carbon atoms in the crystal matrix, and also have high thermal conductivity. Heat is a property contained in most materials, and has the tendency to flow to areas of lesser heat.
For example, an opal triplet is a thin layer of opal sandwiched between a quartz top and a colored matrix backing material such as black onyx. It is held together by gem cement or gelatin to enhance the color.
Turquoise has been used and coveted since before 4000 BC. It can be pure in color or may contain secondary minerals or even matrix. If the matrix forms a pattern of interlocking polygons it is sometimes called "spider-web" turquoise.
--The reported precious opal from Louisiana is a sandstone/quartzite with precious opal cement and matrix. It has blue or purple play of color. The material could be cut into cabochons for jewelry and other items of interest.
Huebnerite crystals to 3.0 cm imbedded in a matrix of Calcite and Green Fluorite.
5623 - Quartz - $20.00
Himalaya Mine, Mesa Grande, San Diego Co., California
SMALL CABINET, 7.0 x 4.5 x 2.2cm ...
It gets its characteristic emerald green color from traces of chromium in the crystal matrix. Emeralds of excellent quality which exceed a carat frequently are valued above diamonds.
A fracture is a break in the diamond's crystal matrix. It occurs when a break occurs that goes against a diamond's natural cleavage plane.
Four-Cs ...
These obsidian nuggets are usually round or oval and have a grey-white perlite matrix inside. Apache tears are said to protect you from being taken advantage of, promote success in business, and increase psychic powers. (photo by Eli Hodapp) ...
Xalostocite is a pink grossular garnet that is found in a matrix of white marble. Xalostocite is found in Xalostoc, Mexico.
XYLOID JASPER ...
Rock consisting of sharp fragments
in a fine grained matrix.
FR -
Rock forming minerals.
Turquoise is a phosphate mineral, and
it gets it's vivid blue color from copper.
This stone can also contain iron,
which occurs as a familiar black matrix
in many stones, or if it is well integrated,
can give turquoise a green color.
Wood opal is due to the replacement of fossil wood by hydrous silica with perfect retention of the woody structure. It is cut with its matrix remaining for added strength.
Cameo: Generally a stone, usually an agate, or a shell composed of two differently-colored layers, which has been carved so that one portion is raised from the differently-colored matrix.
 See also: Stone, Mineral, Color, Crystal, Gemstone
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