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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5020
Location: Barcelona
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 Posted: May 12, 2011 08:14 Post subject: A mineralogical trip through the states of USA - Hawaii |
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Hawaii the "Aloha State"
Thanks to Volker Betz for its great image of an Epistilbite to lead this thread of Hawaii
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Epistilbite with Quartz and Chabazite
Puu o Ehu Quarry, Kailua, Oahu Island, Honolulu Co., Hawaii, USA
Field of view: 3.9 mm.
Specimen size: 5 x 5 x 3 cm.
Photo: Volker Betz |
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rweaver
Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California
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| Posted: May 12, 2011 18:43 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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some from my collection
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Epistilbite, Chabazite and Laumontite
Puu O Ehu Quarry
Kailua, Hawaii
5.2cm x 4.1cm |
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39563 Time(s) |
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rweaver
Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California
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| Posted: May 12, 2011 18:47 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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one more from my collection
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Quartz
Kapaa Quarry
Kailua, Oahu, Hawaii
2.0cm x 4.2cm |
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39556 Time(s) |
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rweaver
Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California
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| Posted: May 12, 2011 18:51 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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Former collection of Marcella Watson
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Quartz
Olowalu Valley
Maui, Hawaii
1.5cm x 2.7cm |
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39543 Time(s) |
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Jesse Fisher
Joined: 18 Mar 2009
Posts: 639
Location: San Francisco
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| Posted: May 16, 2011 09:54 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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A petrographic thin-section of a nephiline-melilite basalt from the Honolulu volcanic series on Oahu. Collected from a quarry near the Manoa campus of the University of Hawaii.
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| Pyroxene phenocrysts in a ground mass of nephiline and melilite, Hololulu Volcanic Series, Oahu. FOV is approximately 3 mm. |
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Jesse Fisher
Joined: 18 Mar 2009
Posts: 639
Location: San Francisco
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| Posted: May 16, 2011 10:01 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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Petrographic thin-section of an olivine basalt from Kilauea volcano, Hawaii.
| Description: |
| Olivine (forsterite) phenocrysts, with minor pyroxene in a ground mass of plagioclase feldspar. Kilauea volcano, Hawaii. FOV is about 3 mm. |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: May 16, 2011 14:15 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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Jesse,
Nice thin sections! Its been a long time, and I was surprised I could still recognize most of the constituent minerals.
Bob
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5020
Location: Barcelona
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| Posted: Oct 16, 2011 13:24 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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Thanks to Jim Prentiss for his help sending this image for such a difficult State for minerals.
| Description: |
Faujasite
Kelpa Ridge, Hanamaulu, Kauai Island, Kauai County, Hawaii
FOV 2mm
Photo & Specimen: Jim Prentiss |
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38494 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4235
Location: Germany
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| Posted: Oct 17, 2011 05:21 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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Nice to see that even Hawaii has some interesting minerals to offer! As a collector who likes U.S. minerals there are many U.S. states that come to mind when speaking of minerals, e.g. Colorado, Arizona, California, Missouri or Illinois, but Hawaii definitely not among them ;-) So thanks to all here who show us that also those beautiful islands in the Pacific Ocean feature some mineralogical treasures!
Tobi
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5020
Location: Barcelona
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| Posted: Oct 18, 2011 13:40 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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What richness, one photo more! ;-)
Thank you Volker!
| Description: |
Gonnardite with Phillipsite
Moiliili Quarry, Honolulu, Oahu Island, Honolulu Co., Hawaii
40 x 50 x 25 mm.
Photo: Volker Betz ZS2685 |
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38380 Time(s) |
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rweaver
Joined: 13 Apr 2009
Posts: 259
Location: Ridgecrest, California
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| Posted: Jul 30, 2016 18:17 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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Former collection of Renaud Vochten. Photo by Dan Weinrich.
| Mineral: | Sulphur |
| Locality: | | Kilauea Volcano, Hawaiian-Emperor seamount chain, Hawaii Island, Hawaii County, Hawaii, USA |  |
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| Dimensions: | 7.5cm x 4.0cm |
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Jesse Fisher
Joined: 18 Mar 2009
Posts: 639
Location: San Francisco
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| Posted: Jul 31, 2016 03:07 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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Sulfur crystals in-situ, Kilauea volcano, Hawaii. December, 2005. FOV is approximately 8 cm.
| Mineral: | Sulphur |
| Locality: | | Kilauea Volcano, Hawaiian-Emperor seamount chain, Hawaii Island, Hawaii County, Hawaii, USA | |
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| Dimensions: | 8 cm |
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27791 Time(s) |
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Tiffanie
Joined: 13 Jun 2019
Posts: 8
Location: Seattle, WA
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| Posted: Jun 15, 2019 22:50 Post subject: Re: A mineralogical trip through the states of USA - Hawaii |
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In my quest to obtain calcites from every U.S. state, I was thrilled to stumble across one from Hawaii as one of my first specimens.
| Mineral: | Calcite, Aragonite |
| Locality: | | Laie Concrete Quarry, Laie, Oahu Island, Honolulu County, Hawaii, USA | |
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| Dimensions: | 5.5 cm x 4 cm x 5 cm |
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17927 Time(s) |
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