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Jordi Fabre
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Posted: Feb 26, 2025 16:58 Post subject: #MVM (Minerals - Virtual Museum) Collection / Spessartine from Tongbei, China |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Spessartine with Feldspar and Mica |
Locality: | Tongbei, Yunxiao, Zhangzhou Prefecture, Fujian Province, China |  |
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Dimensions: | 8 × 6.5 × 1.7 cm |
Description: |
The crystals are sharply developed trapezohedra. They have grown on a matrix of Feldspar, probably Orthoclase, accompanied by small Mica crystals. This specimen is featured on page 468 of Berthold Ottens' book "China". |
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Jordi Fabre
Overall coordinator of the Forum

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Location: Barcelona



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Posted: Feb 27, 2025 15:21 Post subject: #MVM (Minerals - Virtual Museum) Collection / Silver from Himmelsfürst Mine |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Silver |
Locality: | Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirgskreis, Saxony/Sachsen, Germany |  |
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Dimensions: | 3.3 × 2.8 × 1.8 cm |
Description: |
Aggregate of elongated Silver crystals, with twists, hooked shapes and very sharp terminations. This specimen, a German classic, comes from the Carles Curto collection |
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1928 Time(s) |

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Jordi Fabre
Overall coordinator of the Forum

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Posts: 4986
Location: Barcelona



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Posted: Feb 28, 2025 18:49 Post subject: MVM (Minerals - Virtual Museum) Collection / Blue Fluorite from Berbes |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Fluorite with Baryte and Quartz |
Locality: | Berbes mining area, Berbes, Ribadesella, Comarca Oriente, Principality of Asturias (Asturias), Spain |  |
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Dimensions: | 8.6 × 8 × 3.4 cm |
Description: |
One of the myths of Berbes is that there are also light blue fluorites like those from La Viesca and this piece is one of the very few proofs of this. The characteristic leafy Baryte clearly proves its origin, as well as a small violet rim of 'Berbes color' on the edges of the crystals and small doubly terminated quartzes on the rear of the piece. |
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Jordi Fabre
Overall coordinator of the Forum

Joined: 07 Aug 2006
Posts: 4986
Location: Barcelona



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Posted: Mar 01, 2025 18:06 Post subject: MVM (Minerals - Virtual Museum) Collection / Fluorite from Chaillac, France |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Fluorite |
Locality: | Chaillac Mine, rossignol vein, Chaillac, Le Blanc, Indre, Centre-Val de Loire, France |  |
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Dimensions: | 13.2 × 8.4 × 4.8 cm |
Description: |
Very balanced group of sharp crystals of cubic habit with fine polycrystalline growths on the surface of their faces, transparent and of variable color, intense yellow in the central part and light lilac, almost colorless, on some of the edges. |
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1749 Time(s) |

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Jordi Fabre
Overall coordinator of the Forum

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Posts: 4986
Location: Barcelona



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Posted: Mar 02, 2025 12:08 Post subject: MVM (Minerals - Virtual Museum) Collection / Rhodochrosite from Wolf Mine, Germany |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Rhodochrosite |
Locality: | Wolf Mine, Herdorf, Siegerland, Rhineland-Palatinate/Rheinland-Pfalz, Germany |  |
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Dimensions: | 11.3 × 8.5 × 5 cm |
Description: |
Groups of very acute scalenohedral crystals, some of them doubly terminated, with curvatures on the faces and edges. They are transparent, have a nice red color and are on a limonite matrix. A sample from one of the great classic localities for the species. |
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Jordi Fabre
Overall coordinator of the Forum

Joined: 07 Aug 2006
Posts: 4986
Location: Barcelona



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Posted: Mar 03, 2025 17:14 Post subject: MVM (Minerals - Virtual Museum) Collection / amethyst from Osilo, Italy |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Quartz (variety amethyst) with Calcite |
Locality: | Capurru Quarry, Osilo, Sassari Province, Sardinia/Sardegna, Italy |  |
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Dimensions: | 5.5 × 3.9 × 2.8 cm |
Description: |
Isolated crystals, one of them clearly dominant and doubly terminated, with a scepter growth. Very transparent, bright and of a very uniform color, on globular Calcite and in matrix. |
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1559 Time(s) |

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Jordi Fabre
Overall coordinator of the Forum

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Location: Barcelona



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Posted: Mar 04, 2025 17:30 Post subject: MVM (Minerals - Virtual Museum) Collection / Phosphophyllite from Hagendorf, Germany |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Phosphophyllite |
Locality: | Hagendorf, Waidhaus, Oberpfälzer Wald, Upper Palatinate/Oberpfalz, Bavaria/Bayern, Germany |  |
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Dimensions: | main crystal: 0.4 x 0.2 cm |
Description: |
From the type locality for the species. Groups of very acute dipyramidal crystals with sharp faces and edges. They are transparent, with a slightly green color and one of them with a nice and neat butterfly twin. A German classic. |
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1467 Time(s) |

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Jordi Fabre
Overall coordinator of the Forum

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Posted: Mar 05, 2025 23:50 Post subject: MVM (Minerals - Virtual Museum) Collection / Siderite on Quartz from Panasqueira |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Siderite on Quartz with Pyrite |
Locality: | Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal |  |
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Dimensions: | 6.3 × 2.9 × 2.9 cm |
Description: |
Group of doubly terminated Quartz crystals, one of them clearly dominant and adorned by a Siderite crystal of considerable size with a hexagonal outline and light brown tone on the back. Other smaller Siderite crystals associated with Pyrite crystals are sprinkled over it. A classic paragenesis for the Panasqueira Mines from where this specimen came. |
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Jordi Fabre
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Posted: Mar 07, 2025 10:53 Post subject: MVM (Minerals - Virtual Museum) Collection / Galena from Pulpí, Almería, Spain |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Galena on Dolomite (variety Fe-bearing dolomite) |
Locality: | Cuesta del Capitán, El Pilar de Jaravía, Pulpí, Comarca Levante Almeriense, Almería, Andalusia, Spain |  |
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Dimensions: | main crystal size: 0.8 × 0.8 cm |
Description: |
Very sharp cubo-octahedral crystals of Galena, quite lustrous and on a matrix of iron-rich Dolomite. The specimen, rare in its perfection for the locality, comes from the collection of Andrés Jiménez Shelly. |
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1179 Time(s) |

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Jordi Fabre
Overall coordinator of the Forum

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Location: Barcelona



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Posted: Mar 08, 2025 10:54 Post subject: MVM (Minerals - Virtual Museum) Collection / Creedite with Fluorite from Mexico |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Creedite with Fluorite |
Locality: | Navidad Mine, Abasolo, Rodeo, Municipio de Rodeo, Durango, Mexico |  |
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Dimensions: | 7 × 6.3 × 4.2 cm |
Description: |
Druse of sharp short prismatic Creedite crystals, with bright luster and a light violet color, on matrix, and with crystallized Fluorite that is bicolor green and violet. The specimen is very different from others that have come from this locality in recent years, although some old collections have similar specimens from this mine, which coincides with the indications that this find was made in old galleries of the mine. |
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Jordi Fabre
Overall coordinator of the Forum

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Posts: 4986
Location: Barcelona



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Posted: Mar 09, 2025 17:30 Post subject: MVM (Minerals - Virtual Museum) Collection / Fluorite from Llamas Quarry, Spain |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Fluorite with Chalcopyrite inclusions |
Locality: | Llamas Quarry, Obdulia vein, Caravia mining area, Las Cabañas, Duyos, Caravia, Comarca Oriente, Principality of Asturias (Asturias), Spain |  |
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Dimensions: | main crystal size: 1 × 0.7 cm |
Description: |
Cubic Fluorite crystal finely beveled by the dodecahedron. It is extraordinarily clear and bright, contains bluish Chalcopyrite inclusions, and is implanted on a matrix with small Quartz crystals. |
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Jordi Fabre
Overall coordinator of the Forum

Joined: 07 Aug 2006
Posts: 4986
Location: Barcelona



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Posted: Mar 10, 2025 18:04 Post subject: MVM (Minerals - Virtual Museum) Collection / Green Sphalerite from Bulgaria |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Sphalerite |
Locality: | Androvo Mine, Erma Reka, Zlatograd, Smolyan Oblast, Bulgaria |  |
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Dimensions: | 3.8 × 3.7 × 3 cm |
Description: |
Group of crystals that are very rich in faces with the predominant form of the tetrahedron. They are bright, translucent, and exhibit an intense, deep green color. Due to its transparency and color intensity, it rivals or even surpasses the renowned green sphalerites from Áliva Mine, Spain. |
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881 Time(s) |

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Jordi Fabre
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Posted: Mar 11, 2025 15:05 Post subject: MVM (Minerals - Virtual Museum) Collection / Sperrylite with Cabriite |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Sperrylite with Cabriite |
Locality: | Oktyabr'skoe deposit, Talnakh, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia |  |
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Dimensions: | 2 × 1.5 × 2 cm |
Description: |
Extremely rare crystals of Cabriite, a scarce natural alloy of palladium, tin, and copper. The small crystals are on the backside of an elongated crystal of Sperrylite, which is well-defined, bright, and enhanced by the metallic matrix. |
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666 Time(s) |

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Mineral: | Cabriite on Sperrylite |
Locality: | Oktyabr'skoe deposit, Talnakh, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia |  |
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Dimensions: | 2 × 1.5 × 2 cm |
Description: |
The green circle indicates the presence of the Cabriite. |
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682 Time(s) |

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Jordi Fabre
Overall coordinator of the Forum

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Posts: 4986
Location: Barcelona



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Posted: Mar 12, 2025 18:22 Post subject: MVM (Minerals - Virtual Museum) Collection / Proustite on Calcite from Morocco |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Proustite on Calcite |
Locality: | Aït Ahmane, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region, Morocco |  |
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Dimensions: | main crystal size: 1.5 × 0.4 cm |
Description: |
Very aerial group of proustite crystals with sharp crystal forms, transparent, with extraordinary luster and intense, vivid red color. In calcite matrix, treated with acid to successfully highlight the aesthetics of the proustite. |
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489 Time(s) |

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Jordi Fabre
Overall coordinator of the Forum

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Posts: 4986
Location: Barcelona



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Posted: Mar 13, 2025 17:57 Post subject: MVM (Minerals - Virtual Museum) Collection / Sphalerite from Áliva Mine, Spain |
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#MVM (Minerals - Virtual Museum) - more information about the piece with this link
Mineral: | Sphalerite on Dolomite |
Locality: | Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria, Spain |  |
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Dimensions: | 4 × 3.3 × 1.6 cm |
Description: |
A delightful miniature of Sphalerite with extraordinarily well-defined and clean polycrystalline growths, twinned, translucent, and displaying an intense, deep, and uniform honey color. It rests on a group of tabular Dolomite crystals of snow-white color, with small remnants of limestone matrix, characteristic of the Áliva mining area. |
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340 Time(s) |

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Mineral: | Sphalerite on Dolomite |
Locality: | Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria, Spain |  |
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Dimensions: | main crystal size: 1.1 × 0.9 cm |
Description: |
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339 Time(s) |

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