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brianbautista925
Joined: 20 Dec 2023
Posts: 1
Location: Scottsdale
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 Posted: Jan 04, 2024 22:00 Post subject: Can some please let me know what you might think this is? |
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Thank you. It's a hue semi see through green color. Not sure if it's natural or a Prasiolite and or Green Amethyst.
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 311
Location: Hanmer, Ontario
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| Posted: Jan 04, 2024 22:27 Post subject: Re: Can some please let me know what you might think this is? |
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Pictures are poor but I would guess a man made fluorite cleaved octahedron.
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Joseph D'Oliveira
Hanmer, Ontario
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Eck Noch
Joined: 09 Jan 2021
Posts: 28
Location: California
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| Posted: Jan 04, 2024 22:28 Post subject: Re: Can some please let me know what you might think this is? |
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| Yep, cleaved fluorite.
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carlo11
Joined: 02 Jul 2023
Posts: 5
Location: Madrid
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| Posted: Jan 05, 2024 04:27 Post subject: Re: Can some please let me know what you might think this is? |
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| Yep cleaved fluorite
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1462
Location: Cambridge
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| Posted: Jan 05, 2024 09:45 Post subject: Re: Can some please let me know what you might think this is? |
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I agree
| carlo11 wrote: | | Yep cleaved fluorite |
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Pete Richards
Site Admin
Joined: 29 Dec 2008
Posts: 842
Location: Northeast Ohio
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| Posted: Jan 05, 2024 12:16 Post subject: Re: Can some please let me know what you might think this is? |
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To clarify for someone who is probably a beginner: fluorite is a naturally-occurring mineral composed of calcium and fluorine atoms in a regular arrangement. A fluorite crystal has directions of weakness along which it can be readily broken - cleavages. Fluorite, especially when found as incomplete crystals, is often cleaved (by people) along these directions to form octahedral shapes, like yours. The material is natural, but the shape is man-made. Such fluorite octahedra are quite common at mineral shows.
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Collecting and studying crystals with interesting habits, twinning, and epitaxy |
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1462
Location: Cambridge
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| Posted: Jan 05, 2024 13:28 Post subject: Re: Can some please let me know what you might think this is? |
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Thanks Pete, you are right and we should have explained what we mean
| Pete Richards wrote: | | To clarify for someone who is probably a beginner: fluorite is a naturally-occurring mineral composed of calcium and fluorine atoms in a regular arrangement. A fluorite crystal has directions of weakness along which it can be readily broken - cleavages. Fluorite, especially when found as incomplete crystals, is often cleaved (by people) along these directions to form octahedral shapes, like yours. The material is natural, but the shape is man-made. Such fluorite octahedra are quite common at mineral shows. |
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