We use cookies to show content based on your preferences. If you continue to browse you accept their use and installation. More information. >

FMF - Friends of Minerals Forum, discussion and message board
The place to share your mineralogical experiences

FMF English Forum is moderated by John S. White and Peter Megaw
 

Spanish message board






Newest topics and users posts
21 Feb-22:26:53 Re: the joy of tucson, 2020 gail spann experience (Gail)
21 Feb-22:16:51 Re: the joy of tucson, 2020 gail spann experience (Gail)
21 Feb-15:43:14 Re: building a great mineral collection? (Basti)
21 Feb-15:14:52 Re: unidentified green crystal (Pete Modreski)
21 Feb-15:14:48 Re: celestine (Bob Harman)
21 Feb-15:09:46 Re: unidentified green crystal (Alfredo)
21 Feb-14:50:30 Celestine (Stefan Koch)
21 Feb-14:40:58 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
21 Feb-14:16:12 Re: unidentified green crystal (Mkomishyn)
21 Feb-13:56:56 Re: la morita mine (Peter Megaw)
21 Feb-13:50:54 La morita mine (John Betts)
21 Feb-10:24:10 Re: collection of firmo espinar (Firmo Espinar)
21 Feb-10:21:12 Re: tucson show 2020 (Bob Harman)
21 Feb-01:27:20 Re: the state of modern geology (Matt_zukowski)
21 Feb-00:20:32 Re: the state of modern geology (Peter Lemkin)
20 Feb-23:01:19 Re: building a great mineral collection? (Bob Morgan)
20 Feb-22:17:49 Re: don lum collection (Don Lum)
20 Feb-19:08:12 Re: the state of modern geology (Marvinlewinsky)
20 Feb-18:24:17 The mizunaka collection - quartz (Am Mizunaka)
20 Feb-17:33:19 Re: the state of modern geology (Peter Megaw)
20 Feb-15:31:42 Re: collection of sante celiberti - a mineralogical trip through italy (Sante Celiberti)
20 Feb-11:21:43 Re: building a great mineral collection? (David Dinsmore)
20 Feb-09:09:06 Re: building a great mineral collection? (Peter Lemkin)
20 Feb-08:39:55 Re: building a great mineral collection? (Rob Schnerr)
20 Feb-07:47:33 Re: building a great mineral collection? (Tobi)

For lists of newest topics and postings click here


RSS RSS

View unanswered posts

Why and how to register

Index Index
 FAQFAQ RegisterRegister  Log inLog in
 {Forgotten your password?}Forgotten your password?  

Like
63203


The time now is Feb 22, 2020 10:12

Search for a textSearch for a text   

A general guide for using the Forum with some rules and tips
What is it?
  
  Index -> FOR BEGINNERS: What is it? Where is it from?
Like


View previous topic :: View next topic  
Author Message

Dimce Catle




Joined: 12 Nov 2017
Posts: 11
Location: Prilep

View user's profile

Send private message

PostPosted: Jan 31, 2020 18:53    Post subject: What is it?  

Gray-blue hexagon crystals, very fragile.
I found them in a pegmatite on Selechka Mountain. Streak is white,opaque, no reaction with HCL. Softer than quartz.



83996540_632064374227061_6313770536946106368_n.jpg
 Mineral: Epidote or Apatite or...?
 Locality:
Selechka Mountain, Prilep, Macedonia
 Dimensions: 80x40x40mm
 Description:
In pegmatite matrix.
Why it`s so flaky?
 Viewed:  375 Time(s)

83996540_632064374227061_6313770536946106368_n.jpg


Back to top
Reply to topic Reply with quote
Like
   

Pete Modreski
Site Admin



Joined: 30 Jul 2007
Posts: 679
Location: Denver, Colorado


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Jan 31, 2020 19:16    Post subject: Re: what is it?  

If it's truly flaky, and soft enough, could it be a pseudohexagonal, prismatic crystal of mica?
Back to top
Reply to topic Reply with quote
Like
   

Dimce Catle




Joined: 12 Nov 2017
Posts: 11
Location: Prilep

View user's profile

Send private message

PostPosted: Feb 01, 2020 12:01    Post subject: Re: what is it?  

Thanks Pete.With a little pressure between your fingers they become sand.


83360593_761080524381774_1516531507445891072_n.jpg
 Mineral: Epidote or Apatite or...?
 Description:
prilep selecka mountain
40x10x10mm
In pegmatite matrix
 Viewed:  307 Time(s)

83360593_761080524381774_1516531507445891072_n.jpg


Back to top
Reply to topic Reply with quote
Like
   

lluis




Joined: 17 Nov 2006
Posts: 631

View user's profile

Send private message

PostPosted: Feb 01, 2020 15:49    Post subject: Re: what is it?  

I would agree with Pete...

With best wishes

Lluís
Back to top
Reply to topic Reply with quote
Like
   

Dimce Catle




Joined: 12 Nov 2017
Posts: 11
Location: Prilep

View user's profile

Send private message

PostPosted: Feb 01, 2020 18:01    Post subject: Re: what is it?  

Thank you Lluis.
Back to top
Reply to topic Reply with quote
Like
   
Display posts from previous:   
   Index -> FOR BEGINNERS: What is it? Where is it from?   All times are GMT - 5 Hours
Page 1 of 1
    

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum


All pictures, text, design © Forum FMF 2006-2020


Powered by FMF