Blasting
A form of cleaning or refinishing a surface wherein a pressurized stream of a certain type of material (sand, glass, metal, ect) is used.
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Sandblasting: A matte finish applied to gold and silver using a jet of sand compressed by steam.
Sapphire: variety of corundum that is most often seen in blue hues. Fancy sapphires occur in all colours.
Sand Blasting
Sandblasting is a general term used for the process of cleaning, smoothing or etching a hard surface by forcing very fine bits of solid material across that surface at high speeds.
Sand Blasting or Sand Etching - forcing sand or grit through high pressure to etch a pattern, usually onto crystal or glass.
Satin Finish - on silver, a subtle surface luster produced by a revolving wire wheel.
Sand blasting sounds exotic but is more common than you would think. All of the pink tourmaline in purple lepidolite sold has been sandblasted to expose the harder tourmaline.
This includes such techniques as sandblasting, faceting, polishing, as well acid etching the finished piece to leave a matte sea glass like finish.
most delicate polishing and cleaning work, such as jewelry and fine crafts, the gold standard is tripoli, also called rottenstone. Tripoli is microscopic, microcrystalline quartz that is mined from beds of decomposed limestone.
Sandblasting ...
One week of meticulous blasting and cleanup left the new pockets well exposed. All of us were terribly excited.
One can remove it by abrasion (polishing, sand-blasting, filing, emerying) and remove all metal to below the level of the fire scale.
The lumps of blue rock, extracted from the inhospitable mountains by blasting, are brought down into the valley in the summer months by mules.
A consideration which is important in this type of gem mining is that the typical blasting and crushing done with metal ore materials can harm fragile gem crystals, so that much of the work must be done by slower and more labor intensive hand work.
An unplanned ignition or explosion of a blasting agent or an explosive; ...
The effect is achieved by vapor blasting the facets of the lower part of the crystals with an invisible, micro thin metal sheet. This stone was created by SwarovskiŽ in 1955 in collaboration with Christian Dior.
Sand-blasting was used to give glass a finely pitted, weathered look, while the mirror edges were often brilliant-cut or faceted to catch and scatter the light.
Satin finish - A matte finish achieved by sandblasting, brushing with a stiff wire brush, or chemically altering a surface. Satin finish has a soft, pearl-like lustre
Scalloped - An ornamental edge that consists of a series of curves ...
A matte finish achieved by sandblasting, brushing with a stiff wire brush, or chemically altering a high shine surface. Satin finish has a soft, pearl-like luster instead of a bright polish.
scalloped ...
MATTE FINISH A dull finished surface created by sandblasting, stone finishing or brushing..
MATINEE A single strand of Pearls 22 to 23 inches long.
MELEE Diamonds up to .20 carats in size.
Abrasive blast-cleaning (aka sand-blasting) and texturing creates a "frost-textured" or matte finish on the surface of the metal.
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.
Satin finish: A dull finish imparted by sandblasting, brushing with a stiff wire brush, or by chemical means; a soft luster rather than a high polish.
Scallop Setting: See "Buttercup Setting."
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This ore goes through many stages of blasting, crushing and processing, including advanced x-ray techniques, to release the diamonds. Over 120 million carats are mined each year - only about a quarter of which will be considered gem quality.
The latter method of recovery requires drilling and blasting. The peridot grains that are commercially recovered are typically 6 to 13 millimeters in size.
These small tunnels are used for blasting and when the rocks breaks into small chunks those are brought up on the ground through the second shaft.
The surface will appear frosted, uniformly scratched or brushed and is created using various techniques including a chemical processes, sand blasting, tumble polishing or created by hand using abrasives.
Un-weathered deposits release rough only by blasting and tunneling which often shatters the Sunstone rough. Because of cold weather and the remote location, the mining season averages approximately six months.
 See also: Stone, Surface, Crystal, Rough, Water
  
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