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Fiebre Verde
Joined: 11 Sep 2013
Posts: 942
Location: Paris Area
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Posted: Jan 27, 2020 15:31 Post subject: Re: Don Lum Collection |
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I have not seen many beryl crystals with hollow cavities (or tubes) that long. It's down to the lower halve of the front crystal... or maybe even more? Very likely due to a rapid growth mechanism...
Very nice Don!
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Jan 27, 2020 19:14 Post subject: Re: Don Lum Collection |
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Fiebre Verde wrote: | I have not seen many beryl crystals with hollow cavities (or tubes) that long. It's down to the lower halve of the front crystal... or maybe even more? Very likely due to a rapid growth mechanism...
Very nice Don! |
Hello Gerard,
You have good eyesight. The tubes of larger diameter are more than half way down the twin crystals, but there are finer tubes lower down. It is very nice to hear from you.
Regards,
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Jan 28, 2020 14:29 Post subject: Re: Don Lum Collection |
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Fluorite, Genthelvite
Previously posted, better pictures
Mineral: | Fluorite, Genthelvite |
Locality: | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China | |
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Dimensions: | 18 cm x 13.2 cm x 10.3 cm |
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13762 Time(s) |
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Mineral: | Fluorite, Genthelvite |
Locality: | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China | |
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Dimensions: | 18 cm x 13.2 cm x 10.3 cm |
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13755 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Jan 29, 2020 21:14 Post subject: Re: Don Lum Collection |
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Calcite, Hedenbergite
Mineral: | Calcite, Hedenbergite |
Locality: | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China | |
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Dimensions: | 35 mm x 34 mm x 32 mm |
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13670 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Jan 31, 2020 13:46 Post subject: Re: Don Lum Collection |
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Native Copper
Mineral: | Copper, Cuprite |
Locality: | Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire) | |
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Dimensions: | 46 mm x 38 mm x 27 mm |
Description: |
Native Copper with Cuprite |
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13593 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 02, 2020 13:47 Post subject: Re: Don Lum Collection |
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Calcite
Mineral: | Calcite, Hedenbergite |
Locality: | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China | |
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Dimensions: | 47 mm x 39 mm x 27 mm |
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13548 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 04, 2020 20:35 Post subject: Re: Don Lum Collection |
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Goethite after Pyrite
Mineral: | Goethite after Pyrite |
Locality: | Wiley Canyon, Lake Mountains, Utah County, Utah, USA | |
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Dimensions: | 54 mm x 41 mm x 34 mm |
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Viewed: |
13466 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 05, 2020 14:39 Post subject: Re: Don Lum Collection |
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Fluorite, Calcite
Mineral: | Fluorite, Calcite |
Locality: | Nashik District (Nasik), Maharashtra, India | |
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Dimensions: | 125 mm x 110 mm x 53 mm |
Description: |
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13426 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 06, 2020 20:34 Post subject: Re: Don Lum Collection |
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Fluorite
Mineral: | Fluorite, Calcite, Quartz (variety smoky quartz) |
Locality: | Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China | |
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Dimensions: | 58 mm x 55 mm x 33 mm |
Description: |
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13354 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 08, 2020 12:32 Post subject: Re: Don Lum Collection |
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Fluorite
Mineral: | Fluorite |
Locality: | Quanzhou Prefecture, Fujian Province, China | |
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Dimensions: | 54 mm x 47 mm x 35 mm |
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13211 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 15, 2020 18:17 Post subject: Re: Don Lum Collection |
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Fluorite
Mineral: | Fluorite |
Locality: | Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu, Chenzhou Prefecture, Hunan Province, China | |
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Dimensions: | 37 mm x 28 mm x 28 mm |
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12988 Time(s) |
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Mineral: | Fluorite |
Locality: | Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu, Chenzhou Prefecture, Hunan Province, China | |
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Dimensions: | 37 mm x 28 mm x 28 mm |
Description: |
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12985 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4106
Location: Germany
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Posted: Feb 16, 2020 11:48 Post subject: Re: Don Lum Collection |
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Don Lum wrote: | Fluorite, Calcite, Quartz (variety smoky quartz)
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
Dimensions: 58 mm x 55 mm x 33 mm | What a great colour!!!
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 16, 2020 12:10 Post subject: Re: Don Lum Collection |
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Tobi wrote: | Don Lum wrote: | Fluorite, Calcite, Quartz (variety smoky quartz)
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
Dimensions: 58 mm x 55 mm x 33 mm | What a great colour!!! |
Thank you, Tobi. It is great to hear from you.
Regards,
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 18, 2020 23:33 Post subject: Re: Don Lum Collection |
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Fluorite
Mineral: | Fluorite, Sphalerite, Calcite |
Locality: | Denton Mine, Goose Creek Mine group, Harris Creek Sub-District, Hardin County, Illinois, USA | |
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Dimensions: | 85 mm x 50 mm x 37 mm |
Description: |
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Viewed: |
12826 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 20, 2020 22:17 Post subject: Re: Don Lum Collection |
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Hematite after Magnetite
Mineral: | Hematite after Magnetite (variety martite) |
Locality: | Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province, Argentina | |
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Dimensions: | 47 mm x 41 mm x 34 mm |
Description: |
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Viewed: |
12751 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 22, 2020 20:38 Post subject: Re: Don Lum Collection |
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Fluorite
Mineral: | Fluorite |
Locality: | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China | |
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Dimensions: | 49 mm x 40 mm x 34 mm |
Description: |
pink octahedral Fluorite cluster floater |
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Viewed: |
12690 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 26, 2020 00:36 Post subject: Re: Don Lum Collection |
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Fluorite
Mineral: | Fluorite, Chalcopyrite |
Locality: | Cave-in-Rock Sub-District, Hardin County, Illinois, USA | |
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Dimensions: | 70 mm x 65 mm x 30 mm |
Description: |
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Viewed: |
12506 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 03, 2020 20:42 Post subject: Re: Don Lum Collection |
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Bournonite
Mineral: | Bournonite, Quartz |
Locality: | Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China | |
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Dimensions: | 50 mm x 48 mm x 46 mm |
Description: |
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Viewed: |
12252 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 04, 2020 21:38 Post subject: Re: Don Lum Collection |
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Stibnite
Mineral: | Stibnite |
Locality: | Xikuangshan Sb deposit, Lengshuijiang, Loudi Prefecture, Hunan Province, China | |
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Dimensions: | 139 mm x 30 mm x 14 mm |
Description: |
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Viewed: |
12168 Time(s) |
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Sante Celiberti
Joined: 04 Oct 2019
Posts: 699
Location: Tuscany
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Posted: Mar 05, 2020 04:19 Post subject: Re: Don Lum Collection |
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Marvelous!
One of best off matrix chinese stibnite I've ever seen.
As Tuscany has had many stibnite mines, this mineral is one of my weaknesses...
Congratulations and warm greetings.
Sante
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