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


Spanish message board






Newest topics and users posts
29 Mar-00:03:53 Identification question (Jim Wilkinson)
28 Mar-23:16:36 Re: collection of volkmar stingl (Volkmar Stingl)
28 Mar-18:25:15 Re: collection of firmo espinar (Firmo Espinar)
28 Mar-09:37:50 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
27 Mar-16:15:44 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-15:18:59 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Alfredo)
27 Mar-14:39:29 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-05:21:48 Re: the mim museum in beirut, lebanon (Mim Museum)
27 Mar-05:03:26 Re: trying to find information on rose/pink quartz and tourmaline associations. (Ning)
27 Mar-02:39:50 Re: the mim museum in beirut, lebanon (Tobi)
27 Mar-00:23:28 Re: collection of volkmar stingl (Volkmar Stingl)
26 Mar-00:53:41 Re: collection of volkmar stingl (Volkmar Stingl)
25 Mar-13:32:10 Re: collection of michael shaw (Michael Shaw)
25 Mar-00:25:58 The mizunaka collection - quartz (Am Mizunaka)
23 Mar-13:35:22 Re: collection of firmo espinar (Firmo Espinar)
22 Mar-08:32:28 Re: collection of michael shaw (Michael Shaw)
22 Mar-04:20:41 Re: the mim museum in beirut, lebanon (Mim Museum)
21 Mar-22:49:19 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:47:40 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:45:25 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-15:34:23 Re: the mizunaka collection - quartz (Am Mizunaka)
21 Mar-14:35:08 Re: jim’s mineral collection (Jim Wilkinson)
21 Mar-14:15:36 The 4th phoenix heritage mineral show (phms) hosted by mineralogical society of arizona (m (Chris Whitney-smith)
21 Mar-04:36:10 Re: the mizunaka 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
111806


The time now is Mar 29, 2024 01:29

Search for a textSearch for a text   

A general guide for using the Forum with some rules and tips
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.
A mineralogical trip through the states of USA - Iowa
  
  Index -> A mineralogical trip through the states of USA
Like
15


View previous topic :: View next topic  
Author Message

Jordi Fabre
Overall coordinator of the Forum



Joined: 07 Aug 2006
Posts: 4888
Location: Barcelona


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Feb 27, 2011 12:24    Post subject: A mineralogical trip through the states of USA - Iowa  

Iowa the "Hawkeye State"




Millerite - Kaser Quarry Ollie Keokuk County Iowa USA.jpg
 Description:
Millerite
Kaser Quarry, Ollie, Keokuk County, Iowa, USA
Field of view is 3.8cm.
Photo: Jim Prentiss

A "cat's hair" Millerite from Jim Prentiss (http://www.mineral-forum.com/message-board/viewtopic.php?p=8866#8866)
Thanks Jim!
 Viewed:  28613 Time(s)

Millerite - Kaser Quarry Ollie Keokuk County Iowa USA.jpg


Back to top
Reply to topic Reply with quote
Like
1
   

rweaver




Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Feb 27, 2011 12:50    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

Former collection of Harold Urish


DSCN0590.JPG
 Description:
Fluorite on Calcite
Pints Quarry
Raymond, Iowa
4.8cm x 6.6cm
 Viewed:  28602 Time(s)

DSCN0590.JPG


Back to top
Reply to topic Reply with quote
Like
1
   

rweaver




Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Feb 27, 2011 12:56    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

Former collection of Mary and Gardner Miller


DSCN0604.JPG
 Description:
Calcite
Pershing, Iowa
6.0cm x 4.8cm
 Viewed:  28530 Time(s)

DSCN0604.JPG


Back to top
Reply to topic Reply with quote
Like
1
   

Jordi Fabre
Overall coordinator of the Forum



Joined: 07 Aug 2006
Posts: 4888
Location: Barcelona


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Nov 26, 2011 15:54    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

An interesting Calcite with oriented inclusions of Marcasite published by Edelmin in FMF Spain -> https://www.foro-minerales.com/forum/viewtopic.php?p=39342#39342


Calcite - Linwood Mine_Buffalo_Scott County_Iowa_USA.jpg
 Description:
Calcite
Linwood Mine, Buffalo, Scott County, Iowa, USA
5x3,9x2,8 cm.
 Viewed:  27640 Time(s)

Calcite - Linwood Mine_Buffalo_Scott County_Iowa_USA.jpg



Calcite close up - Linwood Mine_Buffalo_Scott County_Iowa_USA.jpg
 Description:
Calcite close up
Linwood Mine, Buffalo, Scott County, Iowa, USA
 Viewed:  27639 Time(s)

Calcite close up - Linwood Mine_Buffalo_Scott County_Iowa_USA.jpg


Back to top
Reply to topic Reply with quote
Like
1
   

cgoings




Joined: 03 Jun 2012
Posts: 2
Location: Washington

View user's profile

Send private message

PostPosted: Jun 03, 2012 19:03    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

Hello all:

I thought you might be interested in some chert exposure maps I am creating for Iowa. I am doing it one county at a time and have Henry and Washington counties done. I am working on Louisa County right now. It takes awhile to publish each map because I am ground-truthing as I go. You can go to:
https://www.rollinghillsconsulting.com
(link normalized by FMF)
and click on County Chert Maps to access them. If you follow RHCS on Facebook, you will be notified when the next map is up.

Hope this is helpful!

Chad
Back to top
Reply to topic Reply with quote
Like
   

John Nash




Joined: 24 Jun 2011
Posts: 34
Location: Minneapolis, Minnesota


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Jun 03, 2012 20:08    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

This is a huge, gemmy Baryte, the best I've seen so far from the Linwood mine. It is a cluster of large, parallel growth twin crystals, two of which show double terminations and are 10.5 cm long. One stands higher than the others, making the whole specimen 12.5 cm X 7 cm, 4.5 cm thick. The Baryte's color could be mistaken for smoky quartz and it shows very good transparency for such a large Baryte. You can see your finger through it. A remarkable addition to our "monumental" Baryte collection. I mounted it in a removable base to stand it up.


1938full1.jpg
 Description:
Baryte
Linwood Mine, Buffalo, Iowa, USA
12.5 cm X 7 cm, 4.5 cm thick.
 Viewed:  26738 Time(s)

1938full1.jpg



_________________
John K. Nash, Ph.D.
Back to top
Reply to topic Reply with quote
Like
1
   

John Nash




Joined: 24 Jun 2011
Posts: 34
Location: Minneapolis, Minnesota


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Jun 03, 2012 22:09    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

Here's a nice calcite from the Linwood Mine.


1015fulla450.jpg
 Description:
Calcite with pyrite inclusions
Linwood Mine, Buffalo, Iowa, USA
12.5 X 8 X 6 cm.
Incredible clear calcite crystals with tiny, sparkling pyrite crystals inside. Truly remarkable.
 Viewed:  26767 Time(s)

1015fulla450.jpg



_________________
John K. Nash, Ph.D.
Back to top
Reply to topic Reply with quote
Like
2
   

John Nash




Joined: 24 Jun 2011
Posts: 34
Location: Minneapolis, Minnesota


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Jun 03, 2012 22:16    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

One more, a lovely double terminated Baryte group on limestone from the Linwood Mine. The Linwood mine produces some interesting Baryte and very fine calcites and Barytes. This one consists of a remarkable group of gemmy smoky Barytes with glassy surfaces, well separated and beautifully defined on a limestone matrix, a very aesthetic specimen.


1894full3.jpg
 Description:
Baryte on limestone
Linwood Mine, Buffalo, Iowa, USA
The specimen is about 11 X 6.5 X 2.5 cm
The largest crystal is 8 cm long, 2 cm thick and doubly terminated, as are most of the smaller crystals. There are crystals on both sides of the limestone.
 Viewed:  26784 Time(s)

1894full3.jpg



_________________
John K. Nash, Ph.D.
Back to top
Reply to topic Reply with quote
Like
1
   

Matt_Zukowski
Site Admin



Joined: 10 Apr 2009
Posts: 707
Location: Alaska


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Jun 03, 2012 22:49    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

John inspired me to upload photos of a Linwood piece I have.


0048 Calcite Linwwod 1.JPG
 Description:
Calcite
Linwood Mine, Buffalo, Scott Co., Iowa, USA
32 x 15 x 14 cm
 Viewed:  26767 Time(s)

0048 Calcite Linwwod 1.JPG



0048 Calcite Linwwod 2.jpg
 Description:
Calcite
Linwood Mine, Buffalo, Scott Co., Iowa, USA
Twin is 5 x 4.5 cm
 Viewed:  26770 Time(s)

0048 Calcite Linwwod 2.jpg



0048 Calcite Linwwod 3.jpg
 Description:
Caclite
Linwood Mine, Buffalo, Scott Co., Iowa, USA
Twin is 5 x 4.5 cm
 Viewed:  26752 Time(s)

0048 Calcite Linwwod 3.jpg


Back to top
Reply to topic Reply with quote
Like
2
   

am mizunaka




Joined: 09 Apr 2010
Posts: 2029
Location: USA


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Sep 07, 2012 03:31    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

The locality for this piece was vague. The label simply says "Near Ollie, Iowa".


OllieMillerite.jpg
 Description:
Millerite with Calcite
Keokuk Co., Iowa, USA
5 x 4 x 3.8 cm
 Viewed:  26086 Time(s)

OllieMillerite.jpg



OllieDet.jpg
 Description:
Millerite with Calcite
Keokuk Co., Iowa, USA
Detail
 Viewed:  26045 Time(s)

OllieDet.jpg


Back to top
Reply to topic Reply with quote
Like
2
   

Bob Harman




Joined: 06 Nov 2015
Posts: 765


Access to the FMF Gallery title=

View user's profile

Send private message

PostPosted: Jun 12, 2016 08:25    Post subject: Re: A mineralogical trip through the states of USA - Iowa  

As part of my U.S.A. sub-collection here is an example of a small interesting Keokuk Iowa geode.


DSC02894.jpg
 Mineral: Calcite, Aragonite and Dolomite (variety ferroan) on Quartz
 Locality:
Keokuk, Lee County, Iowa, USA
 Dimensions: geode is about 3.3 cm, calcite is 0.7 cm, aragonite spray is 1.3 cm
 Description:
calcite, aragonite and decayed ferroan dolomite on quartzThe so called "blue quartz" variety with calcite adjacent to an aragonite spray. This is unusual
 Viewed:  18822 Time(s)

DSC02894.jpg



DSC02895.jpg
 Mineral: Calcite, Aragonite and Dolomite (variety ferroan) on Quartz
 Locality:
Keokuk, Lee County, Iowa, USA
 Dimensions: geode is about 3.3 cm, calcite is 0.7 cm, aragonite spray is 1.3 cm
 Description:
The so called "blue quartz" variety with calcite adjacent to an aragonite spray. This is unusual.
 Viewed:  18858 Time(s)

DSC02895.jpg


Back to top
Reply to topic Reply with quote
Like
3
   
Display posts from previous:   
   Index -> A mineralogical trip through the states of USA   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 2006-2024


Powered by FMF