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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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 Posted: Jan 10, 2021 15:09 Post subject: Popular Minerals - Brucite from Killa Saifullah District, Pakistan |
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Botryoidal aggregates of Brucite on matrix with visible crystal forms.
| Mineral: | Brucite |
| Locality: | | Killa Saifullah District, Balochistan (Baluchistan), Pakistan |  |
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| Dimensions: | Specimen size: 13.2 × 7.8 × 2 cm |
| Description: |
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18230 Time(s) |
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Volkmar Stingl
Joined: 23 Sep 2012
Posts: 1002
Location: Innsbruck
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| Posted: Jan 11, 2021 00:42 Post subject: Re: Popular Minerals |
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This is just a "WOW"-piece! This color....... Tremendous!
Volkmar
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Jan 11, 2021 07:40 Post subject: Re: Popular Minerals |
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| I agree, an outstanding specimen - one of the best I've seen from this amazing find!
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Jan 11, 2021 17:25 Post subject: Popular Minerals - Adamite (variety manganoan) from the Ojuela Mine, Mexico |
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Groups of Adamite crystals on a Goethite matrix. The crystals have a pale lilac color in the prism and much more intense on the terminations.
| Mineral: | Adamite (variety manganoan) |
| Locality: | | Ojuela Mine, Mapimí, Municipio Mapimí, Durango, Mexico | |
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| Dimensions: | Specimen size: 10 × 8.2 × 5.7 cm / main crystal size: 1.5 × 1 cm |
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18082 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Jan 18, 2021 14:08 Post subject: Popular Minerals - Botryoidal Rhodochrosite from the Madem-Lakko Mine |
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Very aerial growth of botryoidal aggregates of Rhodochrosite crystals on matrix, with Calcite and Pyrite.
| Locality: | | Madem-Lakko Mine, Stratoni operations, Cassandra Mines, Chalkidiki Prefecture, Macedonia Department, Greece | |
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| Dimensions: | 5.1 × 4.2 × 2.7 cm |
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18013 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Feb 14, 2021 13:41 Post subject: Popular Minerals - Fluorite from Berbes, Spain |
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Very sharp crystals of Fluorite with geometric color zoning, blue on the edges.
On matrix, with small Quartz crystals and lamellar Baryte crystals.
| Mineral: | Fluorite with Quartz and Baryte |
| Locality: | | Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias), Spain | |
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| Dimensions: | Specimen size: 12.8 × 9.8 × 5.6 cm / main crystal size: 4.3 × 4 cm |
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17669 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Feb 15, 2021 05:22 Post subject: Re: Popular Minerals - Fluorite from Berbes, Spain |
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| Jordi Fabre wrote: | Fluorite with Quartz and Baryte
Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Asturias, Principality of Asturias, Spain
Specimen size: 12.8 × 9.8 × 5.6 cm / main crystal size: 4.3 × 4 cm |
What a gorgeous Berbes specimen, I ❤ it!
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Feb 17, 2021 14:44 Post subject: Popular Minerals - Malachite on Shattuckite from the Kandesei Mine, Namibia |
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Botryoidal coating of Shattuckite with a velvety appearance highlighting a centered aggregate of primary Malachite crystals.
| Mineral: | Malachite on Shattuckite |
| Locality: | | Kandesei Mine, Kaokoveld Plateau, Kunene Region, Namibia | |
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| Dimensions: | Specimen size: 8.2 × 6.2 × 4.8 cm / main crystal size: 3.4 × 1 cm |
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17465 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Feb 18, 2021 17:28 Post subject: Gold (spinel twin) from Aouint Ighoman, Morocco |
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The specimen shows sharp octahedrons, some parts with hopper formations, in parallel growths, very stylized and with a very distinct spinel-law twin.
Check the excellent report of Dr. César Menor-Salván about the singularity of these Golds: The native gold from Guelmim-Oued Noun, Morocco
| Mineral: | Gold (spinel twin) |
| Locality: | | Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region, Morocco | |
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| Dimensions: | Specimen size: 3.4 × 0.5 × 0.5 cm / main crystal size: 0.3 × 0.2 cm |
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17386 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Feb 20, 2021 15:56 Post subject: Popular Minerals - Cassiterite from Amo, Yunnan, China |
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Twinned Cassiterite crystals on matrix and with Quartz. Among the best pieces found in this locality.
| Mineral: | Cassiterite and Quartz |
| Locality: | | Amo deposit, Ximeng, Pu'er Prefecture, Yunnan Province, China | |
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| Dimensions: | Specimen size: 11.8 × 9.7 × 7.5 cm / main crystal size: 4.7 × 4.7 cm |
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17303 Time(s) |
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| Mineral: | Cassiterite and Quartz |
| Locality: | | Amo deposit, Ximeng, Pu'er Prefecture, Yunnan Province, China | |
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| Dimensions: | Crystal: 4.7 × 4.7 cm |
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17321 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Feb 22, 2021 04:48 Post subject: Re: Popular Minerals - Cassiterite from Amo, Yunnan, China |
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| Jordi Fabre wrote: | | Twinned Cassiterite crystals on matrix and with Quartz. Among the best pieces found in this locality (Amo deposit, Ximeng, Pu'er Prefecture, Yunnan Province, China) |
Outstanding quality, really a great and unique specimen!
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Feb 23, 2021 14:05 Post subject: Popular Minerals - Dissakisite-(Ce)/Allanite-(Ce) on Dolomite from Trimouns Mine, France |
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Crystal on matrix of Dolomite of the isomorphous series Dissakisite-(Ce)/Allanite-(Ce)
The majority of Trimouns specimens present color zoning that seems to indicate the presence of both species in the same crystal, the darkest areas corresponding to Allanite-(Ce), as they are richer in iron, and the dominant lighter areas to Dissakisite-(Ce)
| Mineral: | Dissakisite-(Ce)/Allanite-(Ce) with Dolomite |
| Locality: | | Trimouns Mine, Luzenac, Haute-Ariège, Foix, Ariège Department, Occitanie, France | |
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| Dimensions: | Crystal size: 0.9 × 0.1 cm |
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17045 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Feb 25, 2021 18:00 Post subject: Popular Minerals - Octahedral Fluorite from Shangbao Mine, China |
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Large crystal with an apparently octahedral habit, formed by polycrystalline growths with dominant dodecahedral forms.
On matrix, with Quartz crystals and white Dolomite rhombohedra.
| Mineral: | Octahedral Fluorite with Dolomite and Quartz |
| Locality: | | Shangbao Mine, Leiyang, Hengyang Prefecture, Hunan Province, China | |
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| Dimensions: | Specimen size: 11.3 × 9.5 × 9.2 cm / main crystal size: 10 × 9.5 cm |
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16928 Time(s) |
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5079
Location: Barcelona
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| Posted: Feb 27, 2021 15:23 Post subject: Popular Minerals - Rhodochrosite on Hisingerite-Neotocite (Series) from Mexico |
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Botryoidal growths of rhombohedral Rhodochrosite crystals which cover a botryoidal Hisingerite-Neotocite (Series) matrix.
| Mineral: | Rhodochrosite on Hisingerite-Neotocite (Series) |
| Locality: | | Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico | |
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| Dimensions: | 6.2 × 5.8 × 3.6 cm |
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16842 Time(s) |
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| Mineral: | Rhodochrosite on Hisingerite-Neotocite (Series) |
| Locality: | | Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico | |
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| Description: |
| The matrix of Hisingerite-Neotocite (Series) coated by Rhodochrosite |
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| Viewed: |
16920 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4248
Location: Germany
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| Posted: Mar 04, 2021 02:54 Post subject: Re: Popular Minerals - Octahedral Fluorite from Shangbao Mine, China |
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| Jordi Fabre wrote: | Octahedral Fluorite with Dolomite and Quartz
Shangbao Mine, Leiyang, Hengyang Prefecture, Hunan Province, China
Specimen size: 11.3 × 9.5 × 9.2 cm / main crystal size: 10 × 9.5 cm. |
I really like Shangbao fluorites, and that one is among the most impressive I have seen, the size of that crystal is amazing. Absolutely stunning - the perfect fluorite specimen!
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