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What is it?
  
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Dimce Catle




Joined: 12 Nov 2017
Posts: 11
Location: Prilep

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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, Mariovo, Republic of North Macedonia
 Dimensions: 80x40x40mm
 Description:
In pegmatite matrix.Why it`s so flaky?
 Viewed:  4339 Time(s)

83996540_632064374227061_6313770536946106368_n.jpg


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Pete Modreski
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Joined: 30 Jul 2007
Posts: 685
Location: Denver, Colorado


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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?
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Dimce Catle




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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:  4273 Time(s)

83360593_761080524381774_1516531507445891072_n.jpg


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lluis




Joined: 17 Nov 2006
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PostPosted: Feb 01, 2020 15:49    Post subject: Re: what is it?  

I would agree with Pete...

With best wishes

Lluís
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Dimce Catle




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

Thank you Lluis.
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