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#1

lockie5
Newbie
Joined: 08 April 2019
Posts: 4
Newbie
08 April 2019 03:46 pm

Hi all!
This is my first post and have just joined so here goes!
My name is Lockie and I have been cutting opal for many years, but not boulder
I have the 6 wheels nova machine and dremels with the small pink, grey, orange etc small wheels and many extra bits
I also have boulder syringes with demand compounds ass colours I have never used and are about 15 years old
My question is about cutting boulder opal, how to tell the difference of matrix on the surface of colour or if its coming up through the stone.
I am having trouble with this stone and now am stuck!
In the photo you can see the patches of colour with matrix on top, well i think it on top and cut it and I loose colour so i stop.
This is a very expensive way to go as every time I get it wrong it destroys the stone.
I also would like to ask about getting a hi lustre polish a surface when there is undulations stoping me from using the nova wheels, I have tried using the small pink silicon wheels that go with the dermel tool but can not get a hi end finish.

Thanks for reading and would love some help cutting this type of stone I will now try and load a photo.
I have cut all types of opal ( just not boulder ) and have good experience cabbing if I can help with any question other members have.
Thanks again Lockie 1554698595_dsc_0829.jpg

10 users like this post: Wishfull, Lefty, Rockhunter62, MegsyB007, LoneWolf, Mr Magoo, Heatho, Greenhornet_au, Jaros, Tribsa 56

#2

Greenhornet_au
Member
Joined: 01 November 2016
Posts: 914
Member
09 April 2019 12:25 pm

Nice looking rock, can I have it please ?
playful


Still looking for Captain Feather-swords treasure chest !
Won't be long now - 3240+ holes and STILL counting. (bloody ring-pulls and tabs) LOL

#3

Jaros
Moderator
From: S.E.Qld., QLD
Joined: 11 August 2013
Posts: 10,919
Moderator
09 April 2019 12:30 pm

Looks good enough to eat-without tomato sauce. tongue


F1A4M2, Exterra 705 Gold, Ace 250, Goldrat 8" Dreammat River Sluice.

1 user likes this post: Ded Driver

#4

silver
Member
Joined: 19 December 2013
Posts: 15,167
Member
09 April 2019 02:32 pm

Just have some patience lockie as the busy opaleers probly only look in every now n then


What a great day ! ,... " I'll see you in the field ".

#5

pinfire opals
Member
Joined: 16 February 2019
Posts: 115
Member
09 April 2019 03:30 pm

Hi Lockie, I am no expert all self taught, but i will try and answer your questions, hopefully Wally will chime in as he seems to work with a lot of boulder recently, I have only done a few pieces and working on one at the moment. To your first part it can be either I have found, the only way to tell is keep taking small cuts from your top surface until you are satisfied. I have seen a light shined up through the opal but depends how thick it is the thinner the more you will see. Get on youtube and look up black opal direct loads and loads of info there, pretty sure there is even some boulder vids. You can get the same felt we use to polish in the dremel accs, have a look on ebay plenty of them in pkts of 5. As you would know ceruim oxide is the only way to go. You can pm me if you need any more info. All the best Lockie regards Noel.1554784274_opalpen.jpg

Last edited by pinfire opals (09 April 2019 03:31 pm)


Minelab GP3500 - Garret Infinium LS - Minelab GM1000 - Minelab Go Find 20 - Chasing Every Colour Of The Rainbow smile

#6

lockie5
Newbie
Joined: 08 April 2019
Posts: 4
Newbie
09 April 2019 05:51 pm

silver wrote:

Just have some patience lock as the busy opaleers probly only look in every now n then

Thank you, I will keep an eye out

#7

lockie5
Newbie
Joined: 08 April 2019
Posts: 4
Newbie
09 April 2019 05:54 pm

pinfire opals wrote:

Hi Lockie, I am no expert all self taught, but i will try and answer your questions, hopefully Wally will chime in as he seems to work with a lot of boulder recently, I have only done a few pieces and working on one at the moment. To your first part it can be either I have found, the only way to tell is keep taking small cuts from your top surface until you are satisfied. I have seen a light shined up through the opal but depends how thick it is the thinner the more you will see. Get on youtube and look up black opal direct loads and loads of info there, pretty sure there is even some boulder vids. You can get the same felt we use to polish in the dremel accs, have a look on ebay plenty of them in pkts of 5. As you would know ceruim oxide is the only way to go. You can pm me if you need any more info. All the best Lockie regards Noel.https://www.prospectingaustralia.com.au/forum/img/member-images/14652/1554784274_opalpen.jpg

Thanks Noel


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