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26 Apr-03:35:03 Re: collection of antonio nazario (James Catmur)
26 Apr-03:19:37 Re: collection of tobi (Tobi)
26 Apr-02:52:29 Re: collection of antonio nazario (Tobi)
26 Apr-02:36:06 Re: collection of joseph d'oliveira (Jordi Fabre)
26 Apr-01:07:58 The mizunaka collection - rhodochrosite (Am Mizunaka)
25 Apr-22:13:47 Re: collection of antonio nazario (Antonio Nazario)
25 Apr-22:02:52 Re: collection of antonio nazario (Antonio Nazario)
25 Apr-21:44:30 Collection of antonio nazario (Antonio Nazario)
25 Apr-19:17:26 Re: collection of joseph d'oliveira (Joseph Doliveira)
24 Apr-05:09:17 Re: need help with identification of minerals in an old video (James Catmur)
24 Apr-04:24:30 Re: collection of tobi (Carles Millan)
23 Apr-17:44:56 Re: in memoriam - george robinson, a man of science, passed away (Peter Megaw)
23 Apr-09:12:26 Re: collection of michael shaw (Michael Shaw)
23 Apr-08:42:40 Need help with identification of minerals in an old video (Hababkhan)
23 Apr-08:12:31 Re: collection of michael shaw (Tobi)
23 Apr-07:31:29 Re: collection of michael shaw (Michael Shaw)
23 Apr-03:24:05 The mizunaka collection - quartz (Am Mizunaka)
22 Apr-07:43:53 Re: the mim museum in beirut, lebanon (Mim Museum)
22 Apr-07:37:41 Re: collection of tobi (Tobi)
22 Apr-06:59:29 Re: in memoriam - george robinson, a man of science, passed away (James Catmur)
22 Apr-04:49:40 Re: in memoriam - george robinson, a man of science, passed away (Carles Millan)
22 Apr-04:27:08 In memoriam - george robinson, a man of science, passed away (Jordi Fabre)
21 Apr-19:05:50 The mizunaka collection - fluorite (Am Mizunaka)
21 Apr-10:18:36 Re: collection of volkmar stingl (Volkmar Stingl)
21 Apr-10:02:41 Re: collection of tobi (Tobi)

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  Topic: Quartz polishing. tips please!!
ed7232004

Replies: 3
Views: 10454

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Feb 13, 2019 22:55   Subject: Re: Quartz polishing. tips please!!
thanks for the headsup. i will try to delete, again i dont mean to violate rules here. thanks
  Topic: Quartz polishing. tips please!!
ed7232004

Replies: 3
Views: 10454

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Feb 13, 2019 22:23   Subject: Quartz polishing. tips please!!
Hi, just recently got into lapidary. and i have been experiencing issue on quartz polishing. I want to polish raw quartz to showroom shine, like the ones you can purchase from a store. my question is ...
  Topic: Shaping a crystal quartz point, wand, obelisk
ed7232004

Replies: 11
Views: 13480

PostForum: Off-Topic and Introductions   Posted: Jan 30, 2019 22:57   Subject: Re: Shaping a crystal quartz point, wand, obelisk
Nice! That's a very detailed diagram ! I suppose I'm gonna need measurement tools in order to get those angles right.
  Topic: Shaping a crystal quartz point, wand, obelisk
ed7232004

Replies: 11
Views: 13480

PostForum: Off-Topic and Introductions   Posted: Jan 29, 2019 22:45   Subject: Re: Shaping a crystal quartz point, wand, obelisk
As you can tell from the last picture, I can not get the "point" being even and pointy. Anyone has tips and tricks? Thank you in advance
  Topic: Shaping a crystal quartz point, wand, obelisk
ed7232004

Replies: 11
Views: 13480

PostForum: Off-Topic and Introductions   Posted: Jan 29, 2019 22:44   Subject: Re: Shaping a crystal quartz point, wand, obelisk
Close to finish
  Topic: Shaping a crystal quartz point, wand, obelisk
ed7232004

Replies: 11
Views: 13480

PostForum: Off-Topic and Introductions   Posted: Jan 29, 2019 22:43   Subject: Re: Shaping a crystal quartz point, wand, obelisk
Here is another working process
  Topic: Shaping a crystal quartz point, wand, obelisk
ed7232004

Replies: 11
Views: 13480

PostForum: Off-Topic and Introductions   Posted: Jan 29, 2019 22:39   Subject: Shaping a crystal quartz point, wand, obelisk
Hello all! Recently joined a local gem club where the shop has all kind of tool from cutting, grinding to polishing. Any tip or tricks on shaping a raw quartz or amethyst related material into a beaut ...
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 16, 2019 16:53   Subject: Re: Help! how to remove build up from citrine geode
Hi guys! Thanks for all your responses! I was able to touch base with my local gem society. They were able to allow me to use an air abrasive tool with glass beads. That tool is amazing and I was able ...
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 13, 2019 21:21   Subject: Re: Help! how to remove build up from citrine geode
been soaking the entire bottom in vinegar for about an hour now, used a brass brush to brush it off but no luck. doesnt look like calicium at this point. unless it needs to be soak for longer time..i ...
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 13, 2019 18:47   Subject: Re: Help! how to remove build up from citrine geode
Did you not know this????? I think most of us thought you knew this. YES YOUR SPECIMEN IS HEAT TREATED AMETHYST from Brazil. It is considered citrine, but artificially created from heat treating B ...
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 13, 2019 17:59   Subject: Re: Help! how to remove build up from citrine geode
Good night (my time...) to all

Just being bad.....
It is not the specimen just a heated amethyst?
And then, if heated, how many reactions could have been there?

Fluorhidric acid is not a good ...
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 13, 2019 14:53   Subject: Re: Help! how to remove build up from citrine geode
If it's not a carbonate (reacts with vinegar), it's quite possible that it is a crust of silica, in which case it will not be removable without dangerous chemicals that would also damage the quartz.
...
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 13, 2019 13:35   Subject: Re: Help! how to remove build up from citrine geode
I'll definitely try the vinegar method first. At this point I'll probably stay away from using household items or acid.
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 13, 2019 00:50   Subject: Re: HELP! how to remove build up from citrine geode
Citrine geode
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 13, 2019 00:49   Subject: Re: HELP! how to remove build up from citrine geode
From hardware store
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 13, 2019 00:46   Subject: Re: HELP! how to remove build up from citrine geode
Wow first, thank you for your long response. Really appreciate your time. I have tried using several over counter product from hardware store..they are Weiman cook top cleaner and bar keepers friends ...
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 12, 2019 23:11   Subject: Re: HELP! how to remove build up from citrine geode
Under magnifier
  Topic: Help! how to remove build up from citrine geode
ed7232004

Replies: 20
Views: 25717

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Jan 12, 2019 23:04   Subject: Help! how to remove build up from citrine geode
Hi, I hope someone has an insight on how to remove these buildups?
 
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