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#1

Squint
Member
Joined: 04 July 2017
Posts: 70
Member
28 November 2020 04:28 pm

1606540315_img_20201128_1605512.jpg

Hi all! Four stones deep into faceting and really enjoying it. This is despite paying too much for a machine that's very challenging to say the least. Only cut Quartz and Topaz(2nd from left) so far but want to cut some Tourmaline next. Just hoping someone can help me out with understanding how to choose which designs will work. Do I use one that's designed for a higher or lower RI. For example can I cut Tourmaline with the same patterns that I've used with the above stones or do I have to look for ones over the 1.6 RI? Hope this makes sense and thanks in advance for your help.

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#2

Dihusky
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From: Gold Coast, QLD
Joined: 16 June 2017
Posts: 1,519
Member
28 November 2020 06:36 pm

Well done, they look terrific, clap clap what machine are you using? Quartz is cheap so an excellent starter gem, topaz likewise and each have their idiosyncrasies.

Most designs are based on Quartz using RI of 1.54, there are a number of web sites where you can download designs, again primarily 1.54 but there are other RI when you hunt. Some good sites are http://www.jewelcutter.com/graham/designs/

The Gemology Project: https://www.gemologyproject.com/wiki/in … igns_by_RI this allows you to search by RI, some designs you can print the PDF or download a digital file which can be put into GemCad or Gem Cut Studio that you can tweak it for different RI

If you join the AFG you can access plenty more, they can supply a USB of all the designs published in Facet Talk, not sure the cost, but you'll be cutting for years if you have this resource.

1 user likes this post: LoneWolf

#3

Squint
Member
Joined: 04 July 2017
Posts: 70
Member
29 November 2020 05:47 pm

Thanks for your reply mate. My machine is a home made one. Looked for a machine for ages but either didn't have enough money at the right time or they were interstate. One seller told me I was a scammer because I asked if they would post at my expense. Anyway is what it is. The Topaz Tec that you bought was one that I eyed off for example but I'm in NSW so that wasn't going to work. Will probably get some software for cutting eventually but funds are tight this time of year. The AFG membership, is the magazine worth the extra cost?

#4

Dihusky
Member
From: Gold Coast, QLD
Joined: 16 June 2017
Posts: 1,519
Member
29 November 2020 10:12 pm

Squint, what the magazine contains is gold, articles covering many different subjects with info that will carry you forward and fill in knowledge gaps, it's a resource I often refer to and I have copies going back many years.

The AFG also runs an annual 'Muster' in Casino, training, seminars all sorts, a fun couple of weeks at the beginning of September, didn't run this year for obvious reasons but hopefully will be back up and running in 21, if we can, we'll be there.

The Topaz Tec will be going back on the market soon as my wife is struggling and not enjoying Faceting, her eyes are probably the main problem, but her mind doesn't connect with cheating, pushing in the toe of a facet and the more intricate elements of the skill. She need me to overlook her work and guide her the whole time, so she's switching to opal cutting. Machine has been fully serviced now and is in tip top condition, so if your interested PM me, now borders are opening up, it'll be a lot easier.

Have you got John Broadfoot's book, "Cutting gemstones, The Beginners Guide to Faceting" it's a invaluable resource.

#5

Squint
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Joined: 04 July 2017
Posts: 70
Member
01 December 2020 04:13 pm

Ok, looks like joining the AFG and getting the magazine added is a must do.
Unfortunately now I've spent the money on the machine I have it will need to last me till I can save for a new one.
Don't actually have any books on faceting. Before the virus hit I was being taught at the Lapidary club so I'm kind of just applying what I had learnt and going from there.
While looking online for a tourmaline design I came across an article on the international faceting academy website called "the secrets of Tourmaline". Interesting read on dealing with bad "C" axis colour which my Green stones definitely have.1606799543_img_20201130_161405.jpg1606799563_img_20201130_161442.jpg

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#6

Dihusky
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From: Gold Coast, QLD
Joined: 16 June 2017
Posts: 1,519
Member
01 December 2020 05:08 pm

There are a few gems that can pose A, B & C axis challenges, Sapphire can have Blue/Green issues which if not factored in can pose challenges, Axinite is another I have encountered, green/orange in one axis, black in another. Best way to learn is cut and see what happens.

1 user likes this post: goody2shoes

#7

Squint
Member
Joined: 04 July 2017
Posts: 70
Member
12 December 2020 07:38 pm

First Tourmaline done. Cut the two ends of the pavilion off to reduce the impact of the blacked out "C" section. Wasn't the best colour rough anyway but I'm still pretty happy with the results. This was the stone from the top left of the above photo. Both of the other stones from the top row had fractures that presented while cutting the girdle so had to re dop and start again. They were too long for correct L/W ratio anyway so not too frustrated, ........really. Quite like the material though.1607762241_img_20201212_163537.jpg

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#8

Teemore
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From: West of the Yarra, east of SA,
Joined: 18 September 2013
Posts: 1,817
Member
13 December 2020 03:33 pm

Not into gems gemstone gemstone gemstone ... just gold prospecting/detecting but have to say what you blokes do is just AWESOME.
Big thumbs up thumbsup thumbsup love seeing those cut stones.


If you don't stand for something ..... You'll fall for anything !!
To be old and wise you must first be young and foolish.

3 users like this post: Mackka, pinfire opals, Dihusky

#9

Squint
Member
Joined: 04 July 2017
Posts: 70
Member
16 December 2020 08:12 pm

Thanks for the kind words mate! Still a beginner so lots of learning ahead for me. Awesome people on this site such as Sneaky Cuttlefish, Lefty,Wally and Dihusky are the reason I started on this journey. Truely inspirational and always helpful. Maybe we should point out more often the true value of the posts and pictures shared by our more experienced members.

2 users like this post: Dihusky, LoneWolf

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