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Messages - Aussie Sapphire

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Saws and Diamond Blades / Re: Oil for a robilt saw
« on: March 07, 2019, 09:48:50 AM »
You may not need a full inch at the bottom of the blade.  That may splash a bit more than is necessary.  How big is the saw?

Saws and Diamond Blades / Re: Buying a slab saw
« on: February 27, 2019, 07:48:51 AM »

Unfortunately, Lortone have stopped making their slab saws recently.
This is directly due to a conpetitor (Highland Park??) copying their design, making them in China but refusing to stock spare parts for which they send customers back to Lortone.  To rub salt into the wound, Lortone's machines are subject to Trump's new tariffs on the materials (causing a significant increase in costs) but for some strange reason, the Chinese made versions are not subject to the tariffs making it even tougher for Lortone to compete.  They have therefore decided to pull the pin on slab saws which is difficult for us as a dealer but we understand their reasoning on this.

Have not dealt with the other two companies on slab saws.


General Discussion / Re: 403 errors
« on: January 24, 2019, 08:15:42 AM »
Cant even reply to personal messages >:( >:( >:(

Is it when you are trying to quote from the message or just a plain reply?
It seems as though the errors more often occur when trying to quote or modify a message.

Please note that I am trying to work on this issue but as this is not our full-time gig and provided for free as a courtesy to the community, then it does take a bit lower priority compared to our normal day to day job of running a business and farm.

I have not forgotten about it but have not yet solved the problem.


Tumblers and Media / Re: Skin polishing Sapphires in tumbler
« on: January 21, 2019, 05:22:45 PM »
Or would just running them in the tumbler with a bit of water help polish them. ???

NO - it wont really do anything. 

We get asked about this a lot and I usually try and talk people out of it.  We can supply tumbling grade diamond in a very small bowl (preferably vibe tumbler) but it not an easy thing - we dont really recommend trying.


Tumblers and Media / Re: Skin polishing Sapphires in tumbler
« on: January 21, 2019, 05:20:06 PM »
Hi. I have a bulk amount of rough sapphires that are about 2mm-7mm in size. I am wanting to just skin polish them so when kids are fossicking for them at my gem show, they sparkle. What would be needed grit wise in a tumbler to just skin polish and not eat away too much of the stone. ???

You will need diamond grit - this is expensive and will take a long time.

Tips and Gadgets / Re: The best "bits"?
« on: January 10, 2019, 08:44:10 AM »
Harryopal had a good point about the dust if the work is not kept wet. 

I'm also awaiting to see if there will be criminal prosecutions under the WHS laws or the outcome of civil claims relating to a foreseeable danger to the worker's health, that could have been avoided using cheap wet cutting and grinding techniques.


Exactly - this is an entirely foreseeable risk.  Unbelievable that the standard operating procedure would not involve wet cutting AND appropriate PPE.


General Discussion / Re: 403 errors
« on: December 19, 2018, 09:46:17 AM »

Worked first time :o

 modifed post and got error.

That was my experience - it was modifying the post that triggered the error.  Looking into it.


General Discussion / Re: 403 errors
« on: December 18, 2018, 07:27:14 AM »
No joke I just tried to post this "Hasn't happened since I mentioned it,  ::) , must be fixed  ;D " and it did it lol.

another test reply.


OK.  Not sure I am really understanding the problem.  I quoted a comment and replied - it worked normally.
When I tried to MODIFY that reply, I got the 403.

I will do some more testing.


General Discussion / Re: 403 errors
« on: December 18, 2018, 07:25:52 AM »
No joke I just tried to post this "Hasn't happened since I mentioned it,  ::) , must be fixed  ;D " and it did it lol.

another test reply.


General Discussion / Re: 403 errors
« on: December 16, 2018, 06:10:29 PM »
hmm, not doing it now. VPN going, IP address Melbourne.

Let me know if it continues - not sure if I can help but will try.


Whats New at / Re: Website Upgrade
« on: November 20, 2018, 06:28:13 PM »
Website looks great guys, well laid out and easy to use. Just one thing, couldn't find any Facetron machines or parts, do you still deal with them?

Thanks - the products have moved around a lot but hopefully in a more sensible way.  There will be a few gaps though - I have had to recreate all the products so it has been a massive job. So if there is something you need that you cant find, just message us.

However, regarding Facetron, we actually gave up this dealership to Brett at Gemhunters Haven a few months ago.  So he now has all of our stock of spare parts and accessories including dops, splash bowls etc. 

We work with Brett quite a bit - he is a good bloke and is a bit more hooked into the faceting scene than us so it seemed like a good fit for him and allows us to focus a bit more on our core range.

There has been a big backlog at the factory during this year - Jeff has had to have major back surgery which has impacted quite significantly on machine production but Brett should have most important bits and pieces on hand.

There is still some more work to do to bring over our other information and articles but the major transition seems to have gone smoothly so big sigh of relief about that.


Whats New at / Website Upgrade
« on: November 19, 2018, 05:04:33 PM »
Website upgrade is happening TOMORROW !!
Tuesday 20th November 2018

Our website will be unavailable most of the day while we migrate data and get everything ship-shape. We look forward to a new more efficient and convenient system. Products have been shifted around quite a bit but hopefully will be easier to navigate.

Email us if you have any queries or would like to place an order while we are offline -

Cheers Leah

Tumblers and Media / Re: Cerium oxide
« on: November 13, 2018, 07:27:14 AM »
Not actually true - that is just how the rare earth minerals look when they are refined to various degrees - the pink is most common with the white being refined to a higher level.  We call it cerium oxide as the main ingredient but there are often trace amounts of other rare earths in there - eg. thorium.  Tin and Aluminium Oxide are different materials.

Rule of thumb (guideline only) is that cerium is generally good for stone in the 6 to 7 hardness range (which does include the quartz group) - if you are working with harder material at 8 hardness (often topaz, garnet or beryl), then you need tin or aluminium oxide.  9 Hardness stone (ruby or sapphire) of course needs diamond which may or may not work better than oxides on softer material as well.


Cabbing and More / Re: Problems with Polishing
« on: November 12, 2018, 05:10:38 PM »
Thanks for the idea's fella's, I use 100grit, 220 360, 600 and then 1200, then onto a cotton pad with tin or Cerium Oxide 3,000.  Its only since Ive been using the Diamond Wheels that I have found the problem, prior to this I was using the Silicone Carbide wheels 100, 220, 400, 600 and 1200 and didn't have the problems.

Tinker beers

Do you mean you use a #3000 wheel in between #1200 and your final polish with tin or cerium?
Going from #1200 to final polish is quite a jump if I have misunderstood your sequence.

At what stage are you going from hard diamond to soft diamond?  #600?


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