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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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 Posted: Aug 04, 2015 21:11 Post subject: Bob's rocks - More from China |
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| Mineral: | Wulfenite |
| Locality: | | Jianshan Mine, Ruoqiang, Bayin'gholin Autonomous Prefecture, Xinjiang Uyghur Autonomous Region, China |  |
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| Dimensions: | 103 x 68 mm |
| Description: |
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| Viewed: |
32744 Time(s) |
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| Mineral: | Wulfenite |
| Locality: | | Jianshan Mine, Ruoqiang, Bayin'gholin Autonomous Prefecture, Xinjiang Uyghur Autonomous Region, China | |
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| Dimensions: | 103 x 68 mm |
| Description: |
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| Viewed: |
32768 Time(s) |
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| Mineral: | Fluorite on Quartz |
| Locality: | | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China | |
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| Dimensions: | 77 x 70 x 60 |
| Description: |
| Largest Fluorite is 24 x 20 mm |
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| Viewed: |
32727 Time(s) |
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| Mineral: | Olshanskyite with Andradite, Wurtzite and Galena |
| Locality: | | Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China | |
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| Dimensions: | 103 x 100 x 57 mm |
| Description: |
| Largest Olshanskyite is 20 x 4 mm |
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| Viewed: |
32739 Time(s) |
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| Mineral: | Olshanskyite with Andradite, Wurtzite and Galena |
| Locality: | | Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China | |
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| Dimensions: | 103 x 100 x 57 mm |
| Description: |
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| Viewed: |
32750 Time(s) |
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Pierre Joubert
Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape
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| Posted: Aug 05, 2015 01:54 Post subject: Re: Bob's rocks |
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Stunning wulfenite.
_________________
Pierre Joubert
'The tree of silence bears the fruit of peace. ' |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Aug 08, 2015 07:09 Post subject: Re: Bob's rocks |
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| Pierre Joubert wrote: | | Stunning wulfenite. |
I agree - never seen such a thrilling superb piece of wulfenite from China!
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Jan 31, 2016 17:12 Post subject: Bob's rocks - Sweet Home Mine, Colorado |
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Here is a piece...not great, but special to me as I was able to collect it from inside the mine.
| Mineral: | Fluorite on Quartz with Pyrite |
| Locality: | | Sweet Home Mine, Mount Bross, Alma District, Park County, Colorado, USA | |
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| Dimensions: | 157 x 112 x 56 mm |
| Description: |
| Light purple cubes of lustrous, transparent Fluorite to 12 mm cover a matrix of white needles of Quartz to 17 mm long with brassy Pyrites to 17 mm and less crystallized black sulfides. One portion of the specimen is in excellent condition, and it should be trimmed, but as is it is more geologically interesting. The back side is fully covered with fine needle Quartz and accented with black sulfides and brassy Pyrites. I self collected this on September 9, 2001 in the main haulage tunnel. |
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| Viewed: |
31158 Time(s) |
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| Mineral: | Fluorite on Quartz with Pyrite |
| Locality: | | Sweet Home Mine, Mount Bross, Alma District, Park County, Colorado, USA | |
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| Dimensions: | 157 x 112 x 56 mm |
| Description: |
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| Viewed: |
31183 Time(s) |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Jan 31, 2016 23:20 Post subject: Bob's rocks - Laumontite from California |
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| Mineral: | Laumontite with Calcite |
| Locality: | | Pine Creek Mine, Scheelite, Bishop District (Tungsten Hills District), Inyo County, California, USA | |
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| Dimensions: | 112 x 102 x 77 mm |
| Description: |
| Slender, well-formed, twinned, prismatic Laumontite crystals to 70 mm long form a slightly diverging cluster. The terminations are classic fish-tail twins. Yellow Calcite crystals accent the Laumontite crystals. These specimens have been well preserved and looks like they may survive in spite of the mineral being so unstable. This is an excellent specimen from this long ago closed tungsten mine. |
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| Viewed: |
31122 Time(s) |
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Mike Wood
Joined: 16 Dec 2010
Posts: 456
Location: Northern England
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| Posted: Feb 01, 2016 18:55 Post subject: Re: Bob's rocks |
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Wonderful laumontite specimen Bob
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Rock basher |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Mar 01, 2016 18:34 Post subject: Bob's rocks - Diamond |
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A pair of well-formed, lustrous, opaque to translucent, brownish-yellow Diamond cubes with interpenetrant growth. The largest cube measures 9 x 8 x 8 mm. The faces are multicrystalline, giving the appearance of fine pitting. Sometimes referred to as Congo Cubes, these cubes are surprisingly sharp for this locality, and the twinning makes for a striking specimen. Purchased in 1995, this specimen has been tucked away for many years in my collection. Weight 13.6 carats.
| Mineral: | Diamond |
| Locality: | | Miba Mine, Mbuji-Mayi (Mbujimayi; Bakwanga), Kasaï-Oriental, Democratic Republic of the Congo (Zaire) | |
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| Dimensions: | 15 x 11 x 10 mm |
| Description: |
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| Viewed: |
31501 Time(s) |
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| Mineral: | Diamond |
| Locality: | | Miba Mine, Mbuji-Mayi (Mbujimayi; Bakwanga), Kasaï-Oriental, Democratic Republic of the Congo (Zaire) | |
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| Dimensions: | 15 x 11 x 10 mm |
| Description: |
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| Viewed: |
31530 Time(s) |
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| Mineral: | Diamond |
| Locality: | | Miba Mine, Mbuji-Mayi (Mbujimayi; Bakwanga), Kasaï-Oriental, Democratic Republic of the Congo (Zaire) | |
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| Dimensions: | 15 x 11 x 10 mm |
| Description: |
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| Viewed: |
31519 Time(s) |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Mar 01, 2016 18:42 Post subject: Bob's rocks - Wulfenites from Stevenson-Bennett Mine |
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| Mineral: | Wulfenite |
| Locality: | | Stevenson-Bennett Mine, Organ Mountains, Organ District, Doña Ana County, New Mexico, USA | |
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| Dimensions: | 63 x 55 x 42 mm |
| Description: |
| Many lustrous, butterscotch to orange-yellow, blocky crystals of Wulfenite, to 6 mm across, cover a bed of white Calcite crystals on matrix. Most of the Wulfenites show slightly darker cores. This nice specimen from this now closed, classic American locality was collected in March 1991 by Tom and Glenn Hales. |
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| Viewed: |
31502 Time(s) |
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| Mineral: | Wulfenite |
| Locality: | | Stevenson-Bennett Mine, Organ Mountains, Organ District, Doña Ana County, New Mexico, USA | |
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| Dimensions: | 34 x 27 x 18 mm |
| Description: |
| A cluster of blocky, arrowhead-shaped Wulfenite crystals, to 10 x 10 x 6 mm. The Wulfenites range in color from brown with less luster to orange with pearly luster. This specimen from this now closed, classic American locality was collected in March 1991 by Tom and Glenn Hales. |
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| Viewed: |
31513 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2919
Location: Arkansas
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| Posted: Mar 01, 2016 18:58 Post subject: Re: Bob's rocks |
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Extraordinary diamond twin cubes and Wulfenites, Bob. I enjoy seeing them.
Don
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Jamison Brizendine
Joined: 27 Feb 2014
Posts: 128
Location: Northeast Ohio
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| Posted: Mar 02, 2016 11:35 Post subject: Re: Bob's rocks |
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Looking at the diamond, I would have never guessed that one correctly! That is a very neat oddity...
The wulfenites are also very attractive.
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Pierre Joubert
Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape
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| Posted: Mar 02, 2016 14:16 Post subject: Re: Bob's rocks |
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Hi Bob. I am also intrigued by the diamond specimen. Do you know what that pinkish colour on it is? Regards.
_________________
Pierre Joubert
'The tree of silence bears the fruit of peace. ' |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Mar 02, 2016 16:00 Post subject: Re: Bob's rocks |
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| It is "clay" of some sort. After the photos were taken, I was able to remove some of it with air abrasion.
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: Mar 02, 2016 20:04 Post subject: Bob's rocks - Arizona |
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A few from Arizona
| Mineral: | Hemimorphite with Aurichalcite(?) |
| Locality: | | Silver Hill Mine group, Waterman District, Waterman Mountains, Pima County, Arizona, USA | |
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| Dimensions: | 66 x 63 x 43 mm |
| Description: |
| Satiny, greenish-blue crusts of Hemimorphite fill vugs on contracting dark matrix, accented with fine, hair-like crystals of Aurichalcite(?) and light-green massive Malachite. Collected circa 1968, it was purchased by Bob Lane in 1986, and in my collection since 1987. |
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| Viewed: |
31305 Time(s) |
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| Mineral: | Calcite |
| Locality: | | Twin Buttes Mine, Twin Buttes, Pima mining district, Sierrita Mountains, Pima County, Arizona, USA | |
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| Dimensions: | 90 x 69 x 42 |
| Description: |
| A fine cluster of lustrous, creamy-white, translucent scalenahedrons of Calcite to 17 mm long. There are a few damaged crystal tips on one part of the specimen, but are of little consequence as specimens of this quality are never seen from this Arizona mine. Collected by Stan Keith in 1972 during early exploration activities. |
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| Viewed: |
31333 Time(s) |
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| Mineral: | Pyrite |
| Locality: | | Mission Mine, Mission complex, San Xavier, Pima mining district, Sierrita Mountains, Pima County, Arizona, USA | |
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| Dimensions: | 33 x 33 x 26 mm |
| Description: |
| A rare, brassy Pyrtite crystal from the Mission Mine complex in Arizona, it is blocky in form and a complete floater. The surfaces are covered with fine solution features. Formerly in the Bill Williams and Fred Rhodes collections, it was collected by Fred Rhodes from the 2970 Bench in the late 1980s. It is in perfect condition. |
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| Viewed: |
31350 Time(s) |
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| Mineral: | Wulfenite with Calcite on Barite |
| Locality: | | Pure Potential Mine, Silver District, Trigo Mountains, La Paz County, Arizona, USA | |
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| Dimensions: | 70 x 37 x 39 |
| Description: |
| Lustrous, bright-red blades of Wulfenite to 7 mm are perched on bladed Baryte matrix, and is adorned by pearly-white blades of Calcite to 4 mm. The Baryte is accented with sparkling red microcrystals of Mimetite. This very attractive and undamaged specimen was collected in 1992 by Chris Lehmann. |
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| Viewed: |
31324 Time(s) |
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| Mineral: | Quartz |
| Locality: | | Scepter Hill, California Gulch, Ruby, Oro Blanco District, Oro Blanco Mountains, Santa Cruz County, Arizona, USA | |
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| Dimensions: | 63 x 18 x 16 mm |
| Description: |
| Lustrous, glassy, doubly-terminated crystal of Quartz to 63 mm long from this Arizona locality known for its scepters. There are slight skeletal features at the terminations, and a very pale amethystine coloration. Much nicer than the photos show, this is ex. Fred Rhodes collection and was field collected by him in 1993. |
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| Viewed: |
31341 Time(s) |
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Philip Simmons
Joined: 24 Feb 2011
Posts: 79
Location: Albuquerque, New Mexico
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| Posted: Mar 02, 2016 23:29 Post subject: Re: Bob's rocks |
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Hi Bob,
I love your SB wulfenites. Keep the minerals coming!
Phil
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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| Posted: May 23, 2016 09:10 Post subject: Bob's rocks - Beryl (v. Morganite) from California USA |
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This is reportedly one of the largest (if not the largest) Morganites found in California. It was found in 2005 by Dana and Ken Gochenour, and bought the same year by Al Ordway. Al kept it in his collection until his death in 2007. I acquired it in 2016.
| Mineral: | Beryl (var. Morganite) with Quartz and Albite |
| Locality: | | Cryo-Genie Mine, Warner Springs, Warner Springs District, San Diego County, California, USA | |
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| Dimensions: | 150 x 118 x 113 mm |
| Description: |
Beryl is 113 x 105 x 93 mm
Quartz is 136 x 66 x 55 mm |
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| Viewed: |
30940 Time(s) |
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| Mineral: | Beryl (var. Morganite) with Quartz and Albite |
| Locality: | | Cryo-Genie Mine, Warner Springs, Warner Springs District, San Diego County, California, USA | |
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| Dimensions: | 150 x 118 x 113 mm |
| Description: |
| Traditional geologist necessity for scale |
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| Viewed: |
30836 Time(s) |
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