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diamond

Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. At room temperature and pressure, another solid form of carbon known as graphite is the chemically stable form of carbon, but diamond converts to it extremely slowly. Diamond has the highest hardness and thermal conductivity of any natural material, properties that are used in major industrial applications such as cutting and polishing tools. They are also the reason that diamond anvil cells can subject materials to pressures found deep in the Earth.
Because the arrangement of atoms in diamond is extremely rigid, few types of impurity can contaminate it (two exceptions are boron and nitrogen). Small numbers of defects or impurities (about one per million of lattice atoms) color diamond blue (boron), yellow (nitrogen), brown (defects), green (radiation exposure), purple, pink, orange, or red. Diamond also has a very high refractive index and a relatively high optical dispersion.
Most natural diamonds have ages between 1 billion and 3.5 billion years. Most were formed at depths between 150 and 250 kilometres (93 and 155 mi) in the Earth's mantle, although a few have come from as deep as 800 kilometres (500 mi). Under high pressure and temperature, carbon-containing fluids dissolved various minerals and replaced them with diamonds. Much more recently (hundreds to tens of million years ago), they were carried to the surface in volcanic eruptions and deposited in igneous rocks known as kimberlites and lamproites.
Synthetic diamonds can be grown from high-purity carbon under high pressures and temperatures or from hydrocarbon gases by chemical vapor deposition (CVD). Imitation diamonds can also be made out of materials such as cubic zirconia and silicon carbide. Natural, synthetic and imitation diamonds are most commonly distinguished using optical techniques or thermal conductivity measurements.

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  1. G

    For Sale Rodia 259 RS Diamond wet cutter/ other bits and pieces.

    Morning everyone. I've decided to come off the tools for the foreseeable future and take some time out to just contemplate where life is going atm, so not gonna need my tools anymore. Most of it is around 12-18 months, in good nick and includes the following: Rodia 259 RS (110v) Wet saw...
  2. 8

    Glass diamond tile mat backsplash on Formica wall

    Doing a kitchen remodel and all is complete except for the backsplash. The kitchen previously had Formica countertops and Formica backsplash. The countertops have been replaced with quartzite. The Formica backsplash has remained, largely due to the fact that the cupboards stayed in place and...
  3. G

    Diamond drill bits set

    I’m looking to get a good set of diamond drill bits , Can someone please give me advise on a getting a good set which lasts and is good with porcelain and good value for money. Thanks 👍
  4. S

    were is best place to get diamond Cones

    Hi were is best place to get diamond Cones and hole saws i normally use Mexco but this job needs bigger not held by local stockist Thanks
  5. G

    I'm Looking For This Tile Black jewel Diamond Tile from Toppstiles

    Hello, I am looking for the discontinued topps tiles range - Black jewel diamond
  6. I

    Diamond disc for DW 2400.

    Hi Guys, Looking to get a couple of new disc's for the DW and always used stock Dt 3734 - 25.4cm as it's always been the best one I found for both ceramic & porcelain. Super clean cutting. I have found they are available, but a slightly different with -XJ suffix. Can someone enlighten me please...
  7. G

    I'm Looking For This Tile Diamond Tiles Excellence

    Hi i am looking for tiles by Diamond Tiles Excellence - they are Misty Grey Plain 20 x 25cm need enough for about 4 square metres - thanks
  8. G

    Wanted Diamond Tiles Excellence

    Hi i am looking for some tiles by Diamond Tiles Excellence - Misty Grey plain 20 x 25cm. I think they were originally bought in B&Q. Any ideas?
  9. P

    Finally found some diamond tools that work for me

    The hand pad is specifically for porcelain and works 10X faster than anything else I have used. The diamond flap discs are excellent.
  10. Balloo

    Marble diamond cutting blade

    Can anyone recommend a good dry cut 115 blade for travertine 25 mm i have 1200x600 stone to cut and my sigma wet saw will only go to 950mm so i was going to maybe use the grinder attachment on the kera cut Really appreciate some feedback
  11. dg-1984

    Diamond hand pads or polishing discs

    I am looking at getting some hand pads or the polishing/grinding disc for a few DIY jobs coming up. And looking for advice on what would be the best to buy as they will only be used for DIY. I already have a rotary polishers that I can use for the discs if these are better. Kitchen splash back...
  12. P

    diamond blades, again

    Having bought a 115mm variable speed grinder for trimming and grinding porc. tiles dry I'm having problems with chipping, even if only slight. I bought blades that seemed to be well considered on this forum but they weren't particularly expensive. What would be the best diamond blade for dry...
  13. J

    ats Diamond Tools 20mm porcelain blade

    got a new blade from Alan @ATSDiamondTools this week to cut some 20mm porcelain . put it in a Rubi TC 180 and cut about 80 ln mts and was very impressed. Very clean, chip free cut in one pass.
  14. Bopster

    Diamond blade for a plunge saw

    was just thinking whether there’s a diamond blade available for a 165mm plunge saw with 20mm bore suitable for porcelain etc. I have found the ATS bushboard blade at 160mm so far. Is this up to clean cutting porcelain etc? Any alternatives?
  15. Wishiwasatoptiler

    ATS Diamond Tools - Feedback and Reviews

    Just wanted to say a big thanks to Alan at ats, bit last minute as i needed the kit for use on Wednesday, messaged Ats via the conversation section on the forum on sunday, very quick response, great advise from Alan on what i needed and it arrived by 1pm today, not to shabby as I only ordered...
  16. N

    festool diamond plunge cutter

    just ordered this , only downside , 240 v don't do it in 110v yet
  17. F

    Floor sanding accessories

    Can anybody offer any suggestions on anternative to diamond cup for 180mm floor grinder? I’m after something less harsh for fresher screeds that need a lighter sand..
  18. B

    Diamond Training group??

    Hi, I have seen Diamond Training Group have a 1 week victorian floor tiling course and wondered if anyone had been on it and could recommend it? Unfortunately I can't find any contact details for the course, so not even sure if its still running? I hope someone can help thanks Ben
  19. A

    UK best diamond disc to buy

    I have the dewalt dw2000 however i will be laying 800x800 porcelain tiles in a few weeks and as great as the dealt is, i cant cut these tiles with this machine :( I have a bosh and dewalt 4 inch grinders and wanting to know what would be the best diamond blades to buy that wont chip the tiles.
  20. J

    115mm dia diamond blades

    Looking to buy some new diamond blades. Would like to no what you good folks are buying out there and where from Cheers
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