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Newest topics and users posts
25 May-07:12:18 Re: es -semara chalcedony (Amir Akhavan)
25 May-06:21:18 Re: red quartz (Mathias)
25 May-05:12:50 Re: the mim museum in beirut, lebanon (Tobi)
25 May-05:06:33 Re: red quartz (Tobi)
25 May-02:59:02 Red quartz (Mathias)
24 May-20:11:45 Es -semara chalcedony (Amir Akhavan)
24 May-01:32:57 Re: the mim museum in beirut, lebanon (Mim Museum)
24 May-00:13:58 Re: collection of volkmar stingl (Volkmar Stingl)
23 May-16:50:42 The mizunaka collection - quartz (Am Mizunaka)
23 May-10:35:25 Re: don lum collection (Don Lum)
23 May-10:29:14 Re: more label translation (Peter Lemkin)
23 May-08:35:32 Re: collection of michael shaw (Michael Shaw)
23 May-03:49:25 Re: more label translation (Tobi)
23 May-03:17:33 Re: don lum collection (Carles Millan)
22 May-23:22:42 Re: don lum collection (Don Lum)
22 May-18:50:58 Boldut mine - silvia's collection (Silvia)
22 May-13:15:43 Re: more label translation (John S. White)
22 May-13:13:02 More label translation (Jesse Fisher)
22 May-03:40:56 The mizunaka collection - fluorite (Am Mizunaka)
22 May-02:09:44 Re: the mim museum in beirut, lebanon (Mim Museum)
21 May-20:19:13 Re: the mim museum in beirut, lebanon (Silvia)
21 May-19:11:50 Re: presentation of new members - joão luz from lisboa, portugal (João Luz)
21 May-19:07:30 Re: is this a ruby? (João Luz)
21 May-07:25:51 Re: need help identifying this rock (Roger Warin)
20 May-23:37:19 Re: collection of volkmar stingl (Volkmar Stingl)

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The information provided within this Forum about localities is only given to allow reference to them. Any visit to any of the localities requires you to obtain full permission and relevant information prior to your visit. FMF is strictly against any illicit activities related to collecting minerals.
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  Topic: Looking for references for Emerald Mine Tours in Colombia
MSrockhound

Replies: 0
Views: 6482

PostForum: Rockhounding trips   Posted: Jan 17, 2017 19:22   Subject: Looking for references for Emerald Mine Tours in Colombia
Currently looking to book a tour of one of the emerald mining areas either Chivor or Muzo, this March. Currently I am having trouble finding tour groups or even a personal guided tour. Does anyone hav ...
  Topic: Corundum var. Sapphire and Ruby from same locality
MSrockhound

Replies: 10
Views: 16088

PostForum: Minerals and Mineralogy   Posted: Feb 24, 2014 12:25   Subject: Re: Corundum var. Sapphire and Ruby from same locality
Yes I agree about the quarts but the ruby specimen I hadn't had a chance to test yet and the white crystals were too small to see their habit without magnification. The sapphire is most definitely on ...
  Topic: Corundum var. Sapphire and Ruby from same locality
MSrockhound

Replies: 10
Views: 16088

PostForum: Minerals and Mineralogy   Posted: Feb 23, 2014 23:26   Subject: Corundum var. Sapphire and Ruby from same locality
At my local gem and mineral show this weekend I picked up two specimens of corundum labeled as being from Ilmen Mts, South Urals, Russia.

However, the sapphire appears to be on a feldspar matrix ...
  Topic: Strange Tourmaline formation containing a straw like channel
MSrockhound

Replies: 4
Views: 7884

PostForum: Minerals and Mineralogy   Posted: Jan 11, 2013 00:07   Subject: Strange Tourmaline formation containing a straw like channel
I was offered this specimen recently and was curious as to how it could have formed, how rare this is, and if this is something I should purchase before its too late. I enjoy having a few atypical spe ...
  Topic: Cation exchange capacity?
MSrockhound

Replies: 3
Views: 6563

PostForum: Off-Topic and Introductions   Posted: Dec 04, 2011 03:06   Subject: Re: Cation exchange capacity?
Thank you so much! I was confused looking at diagrams of CEC of kaolinite and montmorillonite but you have have put it in terms much easier for me to relate to a particular problem on my eng geo final ...
  Topic: Cation exchange capacity?
MSrockhound

Replies: 3
Views: 6563

PostForum: Off-Topic and Introductions   Posted: Dec 04, 2011 00:49   Subject: Cation exchange capacity?
Why do high values of cation exhange capacity cause engineering problems? high values in things like montmorillonite would swell less than those of kaolinite, with its low exchange capacity, so why it ...
  Topic: Cleaning Quartz
MSrockhound

Replies: 14
Views: 36097

PostForum: Conserving, Preparing and Cleaning Minerals   Posted: Oct 20, 2008 21:53   Subject: Cleaning Quartz
How can I clean this quartz of what appears to be rust buildup? I want it to be clean but I don't want to ruin the crystals.
 
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