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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)
21 Mar-04:11:47 Re: jim’s mineral collection (James Catmur)
20 Mar-23:34:15 The mizunaka collection - quartz (Am Mizunaka)
20 Mar-18:13:16 Re: jim’s mineral collection (Jim Wilkinson)
20 Mar-14:06:43 Re: dry gill mine, caldbeck fells, cumbria, uk (Forrestblyth)

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Collection of Michael Shaw
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Michael Shaw
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PostPosted: Jan 04, 2014 16:56    Post subject: Re: Collection of Michael Shaw  

Sticking with the African theme - minerals from Madagascar, Mali, and Malawi.


1436 Arfvedsonite.jpg
 Description:
Arfvedsonite
Mt. Malosa, Zomba District, Malawi
5.3 x 6.0 cm
Prismatic, bladed, black arfvedsonite crystals on a partially decomposed
feldspar matrix.
 Viewed:  33930 Time(s)

1436 Arfvedsonite.jpg



0482 Anorthite var. labradorite.jpg
 Description:
Anorthite variety labradorite
Antsohamamy Quarry, Ianapera, Benenitra Dist., Tulear Prov., Madagascar
4.0 x 4.9 cm
A sample of labradorite that exhibits a bright blue schiller effect.
 Viewed:  34023 Time(s)

0482 Anorthite var. labradorite.jpg



0565 Celestite.jpg
 Description:
Celestine
Sakoany Deposit, Katsepy Commune, Boeny Region, Majunga Prov., Madagascar
6.5 x 8.0 cm
Glassy transparent blue celestine crystals to 4.0 cm.
 Viewed:  33880 Time(s)

0565 Celestite.jpg


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Roger Warin




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PostPosted: Jan 04, 2014 17:06    Post subject: Re: Collection of Michael Shaw  

Nice specimens.
Roger.
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Don Lum




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PostPosted: Jan 04, 2014 19:24    Post subject: Re: Collection of Michael Shaw  

Each picture is like a work of art.

Don

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Michael Shaw
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PostPosted: Jan 04, 2014 22:20    Post subject: Re: Collection of Michael Shaw  

Thank you Roger. And, Don, you are too kind.

Michael
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PostPosted: Jan 06, 2014 09:53    Post subject: Re: Collection of Michael Shaw  

Minerals from Madagascar, Mali, and Malawi.


1831 Andradite var. demantoid Madagascar.jpg
 Description:
Andradite var. demantoid
Antetezambato, Antsirinana Province, Madagascar
3.6 x 6.4 cm
Lustrous green crystals of andradite var. demantoid with dominant dodecahedron combined with trapezohedron faces.
 Viewed:  33731 Time(s)

1831 Andradite var. demantoid Madagascar.jpg



1385 Prehnite.jpg
 Description:
Prehnite
Djouga diggings, Bendougou Village, Bafoulabe Circle, Kayes Region, Mali
3.9 x 4.2 cm
Two intergrown spheres of lime green prehnite on a doubly-terminated crystal of blackish-green epidote.
 Viewed:  33764 Time(s)

1385 Prehnite.jpg



2083 Aegirine.jpg
 Description:
Aegirine
Mt. Malosa, Zomba District, Malawi
0.6 x 7.5 cm
A slender doubly-terminated crystal of black aegirine.
 Viewed:  33743 Time(s)

2083 Aegirine.jpg



1788 Almandine.jpg
 Description:
Almandine
Ialamitana pegmatite, Sahanivotry Commune, Antsirabé II Dist., Antananarivo, Madagascar
2.7 x 3.5 cm
A sharp brown almandine trapezohedron with reddish highlights attached to a small piece of light-colored feldspar matrix.
 Viewed:  33702 Time(s)

1788 Almandine.jpg


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PostPosted: Jan 08, 2014 10:28    Post subject: Re: Collection of Michael Shaw  

Continuing with Madagascar, Mali, and Malawi.


1053 Biotite.jpg
 Description:
Phlogopite
Benato Phlogopite mines, Benato-Toby Commune, Betroka District, Anosy Region, Tuléar Province, Madagascar
4.5 x 5.4 cm
A thick pseudohexagonal phlogopite crystal.
 Viewed:  33649 Time(s)

1053 Biotite.jpg



1858 Parisite.jpg
 Description:
Parisite
Mt. Malosa, Zomba District, Malawi
3.3 x 4.1 cm
A parisite crystal partially altered to limonite.
 Viewed:  33609 Time(s)

1858 Parisite.jpg



2084 Corundum var. ruby.jpg
 Description:
Corundum var. ruby
Zazafatsy Commune, Ihosy Dist., Fianarantsoa Province, Madagascar
3.9 x 4.3 cm
A hexagonal bi-colored corundum crystal showing reddish and purple
tones, surrounded by white feldspar and embedded in a black biotite schist.
 Viewed:  33609 Time(s)

2084 Corundum var. ruby.jpg



1789 Grossular.jpg
 Description:
Grossular
Dionboko, Kayes Region, Mali
3.3 x 3.5 cm
An intergrown group of lustrous cinnamon-brown dodecahedral grossular crystals.
 Viewed:  33619 Time(s)

1789 Grossular.jpg



2155 Quartz.jpg
 Description:
Quartz
Iovitra Mine, Itrema, Fianarantsoa Province, Madagascar
1.8 x 5.2 cm
A single crystal of translucent to transparent quartz that exhibits a sharp mint green fuchsite-coated phantom just below the termination.
 Viewed:  33648 Time(s)

2155 Quartz.jpg


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PostPosted: Jan 12, 2014 11:38    Post subject: Re: Collection of Michael Shaw  

A while back I posted a few of our specimens from Tsumeb, then moved on to another country before finishing the other locations in Namibia. So, the next few posts will finish up some of the other notable Namibian locations.


0863 Fluorite.jpg
 Description:
Fluorite
Okarusu Mine, Otjiwarongo District, Namibia
4.0 x 5.7 cm
Cubic fluorite crystals with green cores and purple overtones to 2.5 cm on edge.
 Viewed:  33526 Time(s)

0863 Fluorite.jpg



1838 Hemimorphite ps. tarbuttite.jpg
 Description:
Hemimorphite
Skorpion Mine, Rosh Pinah, Karas Region, Namibia
3.8 x 5.9 cm
Finely crystallized sheaves and fanlike forms of pale green hemimorphite pseudomorphing tarbuttite and overcoating a thin gray-blue layer of apatite.
 Viewed:  33531 Time(s)

1838 Hemimorphite ps. tarbuttite.jpg



0439 Descloizite.jpg
 Description:
Descloizite
Berg Aukas, Grootfontein District, Namibia
6.6 x 7.6 cm
Dark brown spear-shaped descloizite crystals covering a shard of brecciated matrix.
 Viewed:  33520 Time(s)

0439 Descloizite.jpg



0154 Descloizite.jpg
 Description:
Descloizite
Berg Aukas, Grootfontein District, Namibia
2.8 x 4.9 cm
Stacked group of chocolate brown spear-shaped descloizite crystals.
 Viewed:  33499 Time(s)

0154 Descloizite.jpg


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PostPosted: Jan 14, 2014 15:32    Post subject: Re: Collection of Michael Shaw  

Continuing with Namibia, excluding Tsumeb.


1284 Copper.jpg
 Description:
Copper
Onganja Mine, Seeis, Windhoek District, Namibia
4.0 x 7.2 cm
A branching group of elongated dodecahedrons, lightly coated with cuprite and minor malachite.
 Viewed:  33450 Time(s)

1284 Copper.jpg



0824 Prehnite.JPG
 Description:
Prehnite
Goboboseb Mts., Brandberg area, Erongo Region, Namibia
5.5 x 7.1 cm
Two mint green spheres of prehnite implanted on a calcite and quartz matrix.
 Viewed:  33439 Time(s)

0824 Prehnite.JPG



2146 Amethyst.jpg
 Description:
Quartz
Goboboseb Mts. Brandberg area, Erongo Region, Namibia
3.6 x 4.5 cm
Several intergrown quartz crystals with amethystine and smoky zones as well as gas/fluid inclusions.
 Viewed:  33505 Time(s)

2146 Amethyst.jpg


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Don Lum




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PostPosted: Jan 14, 2014 16:07    Post subject: Re: Collection of Michael Shaw  

Michael, I really like your copper crystals from Namibia.

Don

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PostPosted: Jan 14, 2014 16:29    Post subject: Re: Collection of Michael Shaw  

I like descloizite.
Roger.
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PostPosted: Jan 15, 2014 11:20    Post subject: Re: Collection of Michael Shaw  

Thanks for your kind comments Don and Roger. Today's post features specimens from the Erongo Region.


1309 Foitite.jpg
 Description:
Foitite
Erongo Mts., Erongo Region, Namibia
1.6 x 5.5 cm.
Lustrous black parallel growth clusters of columnar foitite with a light preferential druse of pale gray silica.
 Viewed:  33441 Time(s)

1309 Foitite.jpg



1136 Schorl.jpg
 Description:
Schorl
Erongo Mountain, Erongo Region, Namibia
4.0 x 4.3 cm
Equant doubly-terminated lustrous black schorl crystal.
 Viewed:  33394 Time(s)

1136 Schorl.jpg



1145 (2) Beryl var. aquamarine.jpg
 Description:
Beryl var. aquamarine
Bersig Farm 167, Omaruru Dist., Erongo region, Namibia
2.1 x 2.7 cm
A hexagonal prism of aquamarine with a pinacoid termination and minor schorl in association.
 Viewed:  33417 Time(s)

1145 (2) Beryl var. aquamarine.jpg



2040 Schorl Top.jpg
 Description:
Schorl
Bersig Farm 167, Omaruru Dist., Erongo region, Namibia
3.5 x 6.0 cm
A stout black schorl crystal with small pieces of weathered feldspar and a small aquamarine attached to the top termination. The bottom termination is
partially etched leaving a raised trigonal termination.
 Viewed:  33419 Time(s)

2040 Schorl Top.jpg


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PostPosted: Jan 15, 2014 12:01    Post subject: Re: Collection of Michael Shaw  

Hello Michael,
The illusion is complete. Foitite looks like a tourmaline 16 cm high.
Fine specimen, excellent photo.
Roger.
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PostPosted: Jan 15, 2014 12:39    Post subject: Re: Collection of Michael Shaw  

Michael, in my very limited experience I know that Foitite and Schorl are very difficult to photograph. Your pictures are superb.

Don

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PostPosted: Jan 17, 2014 11:01    Post subject: Re: Collection of Michael Shaw  

Glad you enjoyed the last post Roger and Don. Today's post will finish up the Erongo region.

Michael



2145 Fluorite on smoky quartz.jpg
 Description:
Fluorite on smoky quartz
Erongo Mts., Erongo Region, Namibia
2.6 x 4.9 cm
Cube-octahedral green fluorite crystals partially surrounding the base of two smoky quartz crystals in parallel growth.
 Viewed:  33190 Time(s)

2145 Fluorite on smoky quartz.jpg



2137 Schorl.jpg
 Description:
Schorl
Erongo Mts., Erongo Region, Namibia
4.6 x 8.0 cm
An intergrown group of black schorl crystals with several small quartz crystals and a 0.5 cm cubic green fluorite crystal.
 Viewed:  33251 Time(s)

2137 Schorl.jpg



2103 Fluorite.jpg
 Description:
Fluorite
Erongo Mts., Erongo Region, Namibia
2.5 x 3.1 cm
Deep green fluorite crystal with a purple phantom showing cubic {100} and octahedral {111} faces on a matrix of golden muscovite.
 Viewed:  33221 Time(s)

2103 Fluorite.jpg



2143 Beryl var goshenite.jpg
 Description:
Beryl var. goshenite
Erongo Mts., Erongo Region, Namibia
3.5 x 4.0 cm
Two lustrous hexagonal goshenite crystals with pinacoid terminations nestled among several intergrown schorl crystals.
 Viewed:  33202 Time(s)

2143 Beryl var goshenite.jpg


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PostPosted: Jan 20, 2014 19:09    Post subject: Re: Collection of Michael Shaw  

A few from Tanzania.


2154 Prehnite (2).jpg
 Description:
Prehnite
Merelani Mines, Lelatema Mts., Manyara Region, Tanzania
4.6 x 5.7 cm
An intergrown group of randomly oriented pale blue prehnite crystals.
 Viewed:  33039 Time(s)

2154 Prehnite (2).jpg



TN0335 Diopside.jpg
 Description:
Diopside
Samax Mine, Merelani Hills, Manyara Region, Tanzania
1.4 x 2.9 cm
A doubly terminated lime green diopside crystal with a tiny speck of graphite.
 Viewed:  33082 Time(s)

TN0335 Diopside.jpg



TN401 Zoisite var. tanzanite.jpg
 Description:
Zoisite var. tanzanite
D Block, Merelani Mines, Lelatema Mts., Manyara Region, Tanzania
1.5 x 1.9 cm
Deep blue tanzanite crystals in parallel growth.
 Viewed:  33129 Time(s)

TN401 Zoisite var. tanzanite.jpg


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Mike Wood




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PostPosted: Jan 21, 2014 13:15    Post subject: Re: Collection of Michael Shaw  

Very pleasing mineral specimens and photo's Michael. Don't think I've seen blue prehnite before. Thanks again.

Mike
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PostPosted: Jan 21, 2014 16:18    Post subject: Re: Collection of Michael Shaw  

Mike Wood wrote:
Very pleasing mineral specimens and photo's Michael. Don't think I've seen blue prehnite before. Thanks again.

Mike


Thank you Mike. I had never seen blue prehnite either. These were found in summer 2013. I would like to know what agent causes the blue color.
Michael
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PostPosted: Jan 24, 2014 10:50    Post subject: Re: Collection of Michael Shaw  

Here are a few odds and ends before I start the Congo.


0228 Gypsum.jpg
 Description:
Gypsum
El Goléa, Ghardaïa Province, Algeria
7.0 x 9.5 cm
An aggregate of reddish-brown lenticular gypsum crystals with sand inclusions.
 Viewed:  32966 Time(s)

0228 Gypsum.jpg



0243 Hopeite.jpg
 Description:
Hopeite
Kabwe Mine, Kabwe, Kabwe District, Central Province, Zambia
7.5 x 12.0 cm
Prismatic reddish-brown crystals of hopeite on a breccia fragment of limestone.
 Viewed:  32875 Time(s)

0243 Hopeite.jpg



0243 Hopeite (2).jpg
 Description:
Hopeite
Kabwe Mine, Kabwe, Kabwe District, Central Province, Zambia
FOV = 3.0 cm
Closeup of above specimen.
 Viewed:  32891 Time(s)

0243 Hopeite (2).jpg



1098 Hematite ps. marcasite.jpg
 Description:
Hematite ps. after marcasite
Farafra Oasis, White Desert, Matru Governorate, Egypt
4.1 x 4.6 cm
Radiating chocolate brown spikes of hematite replacing marcasite crystals
 Viewed:  32982 Time(s)

1098 Hematite ps. marcasite.jpg


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PostPosted: Jan 24, 2014 13:23    Post subject: Re: Collection of Michael Shaw  

I like your tanzanite and hematite ps after marcasite, Michael.

Beautiful specimens and photography.

Don

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PostPosted: Jan 25, 2014 17:15    Post subject: Re: Collection of Michael Shaw  

Don Lum wrote:
I like your tanzanite and hematite ps after marcasite, Michael.

Beautiful specimens and photography.

Don


Thank you Don. I really appreciate your comments.
Michael
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