Monday, 1 of May of 2017

Faceting Rough

Find Quality Faceting Rough

The best deals online for faceting rough from specially selected eBay sellers.  High quality and unusual rough stones for faceting and gemstone jewelry.


20255CT 100 Natural Unheated Yellow Corundum Facet Rough Specimen YHB465
20255CT 100 Natural Unheated Yellow Corundum Facet Rough Specimen YHB465
$1.99
Time Remaining: 30m

124CT Natural Yellow Sapphire Facet Rough Specimen YYB464
124CT Natural Yellow Sapphire Facet Rough Specimen YYB464
$1.99 (1 Bid)
Time Remaining: 30m

509CT 100 Natural Namibian Red Fire Agate Facet Rough Specimen YFA4828
509CT 100 Natural Namibian Red Fire Agate Facet Rough Specimen YFA4828
$1.99 (1 Bid)
Time Remaining: 31m

20635CT 100 Natural Golden Obsidian Facet Rough Specimen YGO330
20635CT 100 Natural Golden Obsidian Facet Rough Specimen YGO330
$1.99 (1 Bid)
Time Remaining: 31m

126CT 100 Natural New Found Africa Black Opal Facet Rough Specimen YWO276
126CT 100 Natural New Found Africa Black Opal Facet Rough Specimen YWO276
$4.75 (4 Bids)
Time Remaining: 33m

2242CT 100 Natural Picasso Jasper Facet Rough Specimen YTR625
2242CT 100 Natural Picasso Jasper Facet Rough Specimen YTR625
$1.99
Time Remaining: 34m

184CT 100 Natural Blood Red Petrified Wood Fossil Specimen Facet Rough YALp135
184CT 100 Natural Blood Red Petrified Wood Fossil Specimen Facet Rough YALp135
$1.99
Time Remaining: 34m

Emerald Semi Facet Rough B Clarity Melee Sizes 1 Full Pound
Emerald Semi Facet Rough B Clarity Melee Sizes 1 Full Pound
$79.99
Time Remaining: 34m
Buy It Now for only: $79.99

2507CT 100 Natural Blue Chalcedony Facet Rough Specimen YBJ548
2507CT 100 Natural Blue Chalcedony Facet Rough Specimen YBJ548
$6.23 (6 Bids)
Time Remaining: 35m

9770 Cts 100 Natural Blue Chalcedony Facet rough specimen from Namibia mines
9770 Cts 100 Natural Blue Chalcedony Facet rough specimen from Namibia mines
$8.99
Time Remaining: 35m

341CT 100Natural Mexican Multicolored Fire Agate Facet Rough Specimen YFM250
341CT 100Natural Mexican Multicolored Fire Agate Facet Rough Specimen YFM250
$12.50 (10 Bids)
Time Remaining: 35m

4419CT Untreated Orange Red Garnet Hessonite Facet Rough Specimens YSE2605
4419CT Untreated Orange Red Garnet Hessonite Facet Rough Specimens YSE2605
$1.99 (1 Bid)
Time Remaining: 37m

2022CT 100 Natural Unheated Star Ruby Specimen Facet Rough YRX914
2022CT 100 Natural Unheated Star Ruby Specimen Facet Rough YRX914
$1.99 (1 Bid)
Time Remaining: 37m

VVS 2577CT 100 Natural Lemon Citrine Facet Rough Specimen YLM8761
VVS 2577CT 100 Natural Lemon Citrine Facet Rough Specimen YLM8761
$2.24 (2 Bids)
Time Remaining: 37m

Rare Fine Green Tourmaline Facet Rough  49w
Rare Fine Green Tourmaline Facet Rough 49w
$269.95
Time Remaining: 38m
Buy It Now for only: $269.95

411CT 100 Natural Peridot Facet Rough Specimen YGLb2862
411CT 100 Natural Peridot Facet Rough Specimen YGLb2862
$6.50 (7 Bids)
Time Remaining: 39m

2087CT 100 Natural Unheated Ruby Crystal Specimen Facet Rough YRB3454
2087CT 100 Natural Unheated Ruby Crystal Specimen Facet Rough YRB3454
$1.99
Time Remaining: 39m

549CT 100 Natural Chrysocolla Facet Rough Specimen YFHp890
549CT 100 Natural Chrysocolla Facet Rough Specimen YFHp890
$2.26 (2 Bids)
Time Remaining: 40m

IF HIGH QUALITY 1125ct NATURAL100 UNHEATED RED PYROPE GARNET ROUGH FACET NR
IF HIGH QUALITY 1125ct NATURAL100 UNHEATED RED PYROPE Garnet Rough FACET NR
$4.99 (2 Bids)
Time Remaining: 40m

VS CLEAN 2005ct NATURAL UNHEATED PINK RHODOLITE GARNET ROUGH FACET NR
VS CLEAN 2005ct NATURAL UNHEATED PINK RHODOLITE GARNET ROUGH FACET NR
$15.00 (5 Bids)
Time Remaining: 40m

SWEET COLOR 710ct NATURAL UNHEATED RED RHODOLITE GARNET ROUGH FACET NR
SWEET COLOR 710ct NATURAL UNHEATED RED RHODOLITE GARNET ROUGH FACET NR
$1.99
Time Remaining: 40m

VS CLEAN 755ct 100NATURAL UNHEATED BROWN ZIRCON ROUGH FACET NR
VS CLEAN 755ct 100NATURAL UNHEATED BROWN Zircon ROUGH FACET NR
$4.99
Time Remaining: 40m

IF HIGH QUALITY 585ct 100NATURAL UNHEATED BROWN ZIRCON ROUGH FACET NR
IF HIGH QUALITY 585ct 100NATURAL UNHEATED BROWN ZIRCON ROUGH FACET NR
$15.50 (2 Bids)
Time Remaining: 40m

ORANGE 645ct 100NATURAL UNHEATED SPESSARTITE GARNET ROUGH FACET SPECIMEN
ORANGE 645ct 100NATURAL UNHEATED Spessartite GARNET ROUGH FACET SPECIMEN
$4.99
Time Remaining: 40m



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Trust-Gems High Quality Rhodolite Garnet Facet Rough Gemstones

Diamond Cutting

The first improvements on the design of nature involved polishing of the faces of the crystal, which was called the "Point Cut. "As further refinement progressed, half of the crystal is cut, the creation of a cutting table. "At the time, Diamonds have been valued primarily for their brightness and hardness. Table Cut Diamonds appeared black to the eye. The Modern brilliant cut is the culmination of several hundreds of years of experimentation and development. Cutting a Raw Diamond into a faceted stone and polished gem quality is a multistep process. Each step is crucial for the final result. The steps are:

  • Marking
  • Cleavage
  • Sawing
  • Bruting (girdling)
  • Faceting

Marking: A rough stone is marked prior to cleaving or sawing to determine the grain or "cleavage", eliminate waste, and around inclusions or imperfections. The natural shape of the rough stone will also be an important factor in deciding how to cut stone. An octahedron can be divided into one or two brilliant round, but a square cut princess will result in less waste due to the square shape of the stone. asmacles asymmetric crystals are mainly used for fancy cuts. cubic forms are ideal for a square Princess or Radiant cut. computerizedhelium high-tech analizers oxygen and are now used to evaluate a stone before cutting:. Cleaving Cleaving refers to the division of a stone along its grain by striking it. A rough stone is cleaved if there are visible defects and / or inclusions which would prevent it from being done in a single stone. Cleavage is the tendency of crystalline materials to split along planes accurate. Thanks to its atomic structure, diamond can be cleaved in four directions parallel to each of the four octahedron crystal faces. Cleavage is a critical step as an error by the "sunset" could break the stone. Sawing: A stone saw is a thin disk of phosphor bronze. As the blade rotates, it continues to pick up or "recharge" itself with diamond dust, which is cutting agent. It may take several hours to the saw blade to cut through a rough diamond 1k. Bruting The crude is placed in a chuck on a lathe. Although the rough stone rotates on a tour of the diamond second diamond mounted on adoption are pressed against him, rounding the rough diamond into a conical shape. This step is also called the district or bruting.

Faceting: Facet for a "brilliant", a "blocker" or "lapper" will reduce the first 18 principal components, then a "Brightener" will carve and polish the remaining 40 facets. Cutting () and polishing of each facet is achieved by attaching the stone to a dop stick and pressing it against a hard cast renewable Scaife, or on the knees on a Facetron that was loaded diamond dust. During this faceting stage the angles of each facet must be cut to an exacting standard to produce a maximum brightness and maintain symmetry.

 

Finding Faceting Rough

Faceting Rough

Thank you for visiting our Lapidary Store today. We hope you have identified the Faceting Rough you were searching for this time. We update our site daily with more listings for Faceting Rough and other rough stones for feacting. Also see our Categories and Search Box on the right for further information about Faceting Rough.