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The Mizunaka Collection
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am mizunaka




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PostPosted: Jun 17, 2021 02:35    Post subject: The Mizunaka Collection - Quartz  




QtzIncFluorite.jpg
 Mineral: Quartz, Fluorite
 Locality:
Amborompotsy, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
 Dimensions: 13.0 x 6.4 cm
 Description:
Quartz cluster with inclusions of fluorite.
 Viewed:  2502 Time(s)

QtzIncFluorite.jpg


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Tobi




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PostPosted: Jun 17, 2021 03:18    Post subject: Re: The Mizunaka Collection - Quartz  

am mizunaka wrote:
Quartz, Fluorite
Amborompotsy, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
13.0 x 6.4 cm
What an incredible piece, wow!!!
am mizunaka wrote:
Volkmar Stingl wrote:
Really an outstanding faden quartz! Never seen before in this size!
Thanks Volkmar! This one was purchased quite some time ago and back then it wasn't too hard to find large pieces.
Indeed hard to find in such a size nowadays. Last year I had the chance to get one (~ 18 cm) with larger crystals for a really good price but I thought too long about it and - surprise, surprise - it was sold very quick :-(

I'm glad you had luck purchasing such a great one, Mike!

Best regards
Tobi
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am mizunaka




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PostPosted: Jun 17, 2021 16:11    Post subject: Re: The Mizunaka Collection - Quartz  

Tobi wrote:
am mizunaka wrote:
Quartz, Fluorite
Amborompotsy, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
13.0 x 6.4 cm
What an incredible piece, wow!!!
am mizunaka wrote:
Volkmar Stingl wrote:
Really an outstanding faden quartz! Never seen before in this size!
Thanks Volkmar! This one was purchased quite some time ago and back then it wasn't too hard to find large pieces.
Indeed hard to find in such a size nowadays. Last year I had the chance to get one (~ 18 cm) with larger crystals for a really good price but I thought too long about it and - surprise, surprise - it was sold very quick :-(

I'm glad you had luck purchasing such a great one, Mike!

Best regards
Tobi


Thanks Tobi! So sorry to hear you missed out on a nice large specimen. I too have missed out on pieces that I have pondered too long on ....
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Tobi




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PostPosted: Jun 22, 2021 02:58    Post subject: Re: The Mizunaka Collection - Quartz  

am mizunaka wrote:
Thanks Tobi! So sorry to hear you missed out on a nice large specimen. I too have missed out on pieces that I have pondered too long on ....
I guess we all experienced that, but the money you "save" by missing one specimen allows you to get another one ;-) And looking at your awesome collection, you should not worry too much about pieces you missed :-)

Best regards
Tobi
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Eck Noch




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PostPosted: Jun 22, 2021 09:54    Post subject: Re: The Mizunaka Collection - Quartz  

am mizunaka wrote:


What a special piece! I have recently become aware of and in love with Quartz growing at angles like this, this piece appears to be growing epitaxially. Is this just a fluke or do you think there was a catalyst for this?
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am mizunaka




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PostPosted: Jun 23, 2021 02:55    Post subject: Re: The Mizunaka Collection - Quartz  

Eck Noch wrote:
am mizunaka wrote:


What a special piece! I have recently become aware of and in love with Quartz growing at angles like this, this piece appears to be growing epitaxially. Is this just a fluke or do you think there was a catalyst for this?


I really don’t know. I have seen others that exhibit this type of growth/appearance.
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Bob Morgan




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PostPosted: Jun 23, 2021 08:11    Post subject: Re: The Mizunaka Collection  

Several years ago I bought one of these for the fluorite inclusions (interesting fluorite habit) and later recognized it also was a Japan Law twin. Perhaps the smaller crystal has that orientation too.
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am mizunaka




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PostPosted: Jun 25, 2021 12:11    Post subject: Re: The Mizunaka Collection  

Bob Morgan wrote:
Several years ago I bought one of these for the fluorite inclusions (interesting fluorite habit) and later recognized it also was a Japan Law twin. Perhaps the smaller crystal has that orientation too.


Thanks Bob. I will have to check when I get back home.
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am mizunaka




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PostPosted: Jul 15, 2021 15:35    Post subject: Re: The Mizunaka Collection  

am mizunaka wrote:
Bob Morgan wrote:
Several years ago I bought one of these for the fluorite inclusions (interesting fluorite habit) and later recognized it also was a Japan Law twin. Perhaps the smaller crystal has that orientation too.


Thanks Bob. I will have to check when I get back home.


It might be a Japan Law Twin. Hard to measure the angle.
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am mizunaka




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PostPosted: Jul 15, 2021 15:39    Post subject: The Mizunaka Collection - Elbaite  




ElbColMur.jpg
 Mineral: Elbaite
 Locality:
Ouro Fino, Minas Gerais, Brazil
 Description:
Ouro Fino, Coronel Murta, Minas Gerais, Brazil
10.1 x 6.8 cm
 Viewed:  1834 Time(s)

ElbColMur.jpg


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Firmo Espinar




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PostPosted: Jul 16, 2021 18:03    Post subject: Re: The Mizunaka Collection  

Hi Mike.

Fantastic.

I think it may be the comandant from Coronel Murta.

Really amazing.
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Tobi




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PostPosted: Jul 17, 2021 05:45    Post subject: Re: The Mizunaka Collection  

I agree - amazing tourmaline!
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am mizunaka




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PostPosted: Jul 17, 2021 10:17    Post subject: Re: The Mizunaka Collection  

Firmo Espinar wrote:
Hi Mike.

Fantastic.

I think it may be the comandant from Coronel Murta.

Really amazing.



Tobi wrote:
I agree - amazing tourmaline!


Thanks Firmo and Tobi!
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am mizunaka




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PostPosted: Jul 30, 2021 03:36    Post subject: The Mizunaka Collection - Quartz  




SmkQtzScp.jpg
 Mineral: Quartz (variety smoky quartz), Muscovite, Calcite, Rutile
 Locality:
Rist Mine, Hiddenite, Alexander County, North Carolina, USA
 Dimensions: 9.2 x 8.9 cm
 Description:
A pale smoky sceptered quartz with a small cavity in the stem sitting on matrix covered mostly with calcite and muscovite and an unidentified yellowish mineral.
 Viewed:  1462 Time(s)

SmkQtzScp.jpg



Untitled-1.jpg
 Mineral: Quartz (variety smoky quartz), Rutile
 Locality:
Rist Mine, Hiddenite, Alexander County, North Carolina, USA
 Description:
Interior of the cavity in the stem of the scepter showing the rutile. Another rutile can be seen in the lower right including and extending from the quartz.
 Viewed:  1462 Time(s)

Untitled-1.jpg


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PostPosted: Aug 07, 2021 01:24    Post subject: The Mizunaka Collection - Aragonite  




AragCal1.jpg
 Mineral: Aragonite, Calcite
 Locality:
Penrice marble quarry, Barossa Valley, Angaston, North Mount Lofty Ranges, South Australia, Australia
 Dimensions: 10.8 x 6.4 cm
 Description:
Calcite crystals selectively covering aragonite.
 Viewed:  1248 Time(s)

AragCal1.jpg


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am mizunaka




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PostPosted: Aug 10, 2021 21:17    Post subject: The Mizunaka Collection - Quartz  




QtzSceptKor.jpg
 Mineral: Quartz (variety amethyst), Quartz (variety smoky quartz)
 Locality:
Eonyang, Gyeongsangnam-do, South Korea
 Dimensions: 8.4 x 7.4 cm
 Description:
Amethyst atop pale smoky quartz crystals.
 Viewed:  1128 Time(s)

QtzSceptKor.jpg


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am mizunaka




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PostPosted: Aug 23, 2021 02:03    Post subject: The Mizunaka Collection - Quartz  




AmeArt1.jpg
 Mineral: Quartz (variety amethyst), Calcite
 Locality:
Artigas Department, Uruguay
 Dimensions: 9.7 x 7.5 cm
 Description:
Amethyst overgrowing calcite.
 Viewed:  884 Time(s)

AmeArt1.jpg


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PostPosted: Aug 28, 2021 03:15    Post subject: The Mizunaka Collection - Quartz with Tourmaline (variety 'schorl')  




QtzShorlAus.jpg
 Mineral: Quartz, Tourmaline (variety 'schorl')
 Locality:
Bingara, Gwydir Shire, Murchison County, New South Wales, Australia
 Dimensions: 9.4 x 5.6 cm
 Description:
 Viewed:  683 Time(s)

QtzShorlAus.jpg


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am mizunaka




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PostPosted: Aug 30, 2021 00:54    Post subject: The Mizunaka Collection - Fluorite  




FluoritePurNai.jpg
 Mineral: Fluorite
 Locality:
Pine Canyon deposit, West Burro Mountains, Burro Mountains District, Grant County, New Mexico, USA
 Dimensions: 6.8 x 5.7 cm
 Description:
 Viewed:  603 Time(s)

FluoritePurNai.jpg


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Tobi




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PostPosted: Aug 30, 2021 01:39    Post subject: Re: The Mizunaka Collection  

In https://www.mineral-forum.com/message-board/viewtopic.php?p=76248#76248 am mizunaka wrote:

Mineral: Fluorite
Locality: Naica, Municipio Saucillo, Chihuahua, Mexico
Dimensions: 6.8 x 5.7 cm



Nice fluorite specimen, Mike!
My first thought was rather Surprise Mine / New Mexico, I've never seen something like that from Naica. But I know there are many different kinds of fluorite from Naica so I won't doubt that locality information.
I love the zoning inside of the crystals!

Regards
Tobi
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