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Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Sep 18, 2024 13:02 Post subject: Collection of Carles Millan: Aegirine from Malawi
Aegirine NaFe3+Si2O6, Orthoclase K(AlSi3O8)
Description: A bright lustrous freestanding terminated crystal of aegirine 90 mm in height coming off of a cluster of blocky white crystals of orthoclase. From a private collection #682.
Dimensions: 139 mm x 67 mm.
Largest crystal size: 94 mm x 15 mm x 9 mm.
Mass: 164 g.
Locality: Mount Malosa, Zomba, Southern Region, Malawi.
Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Sep 21, 2024 15:42 Post subject: Collection of Carles Millan: Marcasite from Reocín
Marcasite FeS2
Description: Group of lustrous and sharp marcasite crystals, most of them in the form of cockscomb. No damage.
Purchased in the year 1962 for €0.15 from the Josep Palaus' store at Plaça Reial in Barcelona.
Dimensions: 55 mm x 38 mm.
Mass: 102 g.
Locality: Reocín Mine, Reocín, Comarca Saja-Nansa, Cantabria, Spain.
Unless otherwise noted, all photos are copyright by Carles Millan. (If it is not too much to ask...) reproduction is allowed as long as the author's name is cited, and the image is not modified. Creative Commons Attribution Licence - Some Rights Reserved.
Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Sep 26, 2024 16:17 Post subject: Collection of Carles Millan: Calcite from Shimen Co., Changde
Old specimen, better photo 😉
Calcite CaCO3
Description: Group of three pale yellow large calcite crystals with perfect tips and a nice position, which are crossed and upright on the matrix. Purchased in year 2004 from Fabre Minerals.
Dimensions: 126 mm x 99 mm.
Largest crystal: 79 mm.
Mass: 317 g.
Unless otherwise noted, all photos are copyright by Carles Millan. If it is not too much to ask, reproduction is allowed as long as the author's name is cited, and the image is not modified. Creative Commons Attribution Licence - Some Rights Reserved.
Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Oct 03, 2024 13:48 Post subject: Collection of Carles Millan: Native bismuth
Bismuth Bi, Quartz SiO2, Bismuthinite Bi2S3
Description: Laminar bright native bismuth on a matrix of quartz with some bismuthinite. Although it does not have idiomorphic crystals, it shows the polysynthetic parallel growth typical for natural bismuth, which forms a kind of feather. That mine has been closed for more than 60 years now, since there is no ore left. Specimen purchased in 1966 from Francesc Coma Molist (Scheelita-Daco), former curator of the Folch collection, for just €0.36.
Dimensions: 59 mm x 34 mm.
Mass: 61 g.
Locality: Dolores Mine, Dolores Mining Group, Las Lomas, Pozoblanco, Comarca Los Pedroches, Córdoba, Andalusia, Spain.
Unless otherwise noted, all photos are copyright by Carles Millan. Reproduction is allowed, if it is not too much to ask, as long as the author's name is cited and the image is not modified. Creative Commons Attribution Licence - Some Rights Reserved.
Description: A group consisting of two opaque, black quartz crystals with flawless edges is accompanied by a single prism of elbaite showing a dark green color with a light pink hue at the tip, as is usual in the area. There are some albite and hexagonal muscovite crystals scattered around, as seen. I think the black crystals of quartz might have been produced by human-induced irradiation.
Dimensions: 67 mm x 36 mm.
Largest crystal: 58 mm
Mass: 84 g.
Locality: Stak Nala, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan.
Unless otherwise noted, all photos are copyright by Carles Millan. Reproduction is allowed, if it is not too much to ask, as long as the author's name is cited and the image is not modified. Creative Commons Attribution Licence - Some Rights Reserved.
Description: A miniature formed by a group of green cuboctahedral crystals of fluorite, one of which is in good aerial position, with a well-marked color zoning of darker green shades, all of that accompanied by thin prismatic crystals of schorl. No damage.
Dimensions: 41 mm x 36 mm.
Largest crystal size: 16 mm
Mass: 32 g.
Locality: Erongo Mountains, Karibib Constituency, Erongo Region, Namibia.
Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Nov 19, 2024 13:43 Post subject: Collection of Carles Millan. Rhodochrosite from Sweet Home Mine
Old specimen, better photos 😃
Rhodochrosite MnCO3, Quartz SiO2
Description: Beautiful contrast between the white (colorless) quartz and the red rhodochrosite rhombohedrons. The Hedgehog Pocket is famous for these combination specimens. No damage.
Dimensions: 91 mm x 57 mm x 45 mm.
Largest crystal size: 10 mm on edge.
Mass: 254 g
Locality: Hedgehog Pocket, Main Stope Drift, Sweet Home Mine, Detroit City Claim, Mount Bross, Alma Mining District, Park Colorado, Colorado, USA.
Unless otherwise noted, all photos are copyright by Carles Millan. Reproduction is allowed (if it is not too much to ask) as long as the author's name is cited and the image is not modified. Creative Commons Attribution Licence - Some Rights Reserved.
Posted: Nov 22, 2024 03:07 Post subject: Re: Collection of Carles Millan. Rhodochrosite from Sweet Home Mine
Carles Millan wrote:
Old specimen, better photos😃
Rhodochrosite, Quartz
Sweet Home Mine, Hedgehog pocket, Main Stope drift, Mount Bross, Alma District, Park County, Colorado, USA
91 mm x 57 mm x 45 mm. Largest crystal size: 10 mm on edge.
Beautiful contrast between the white (colorless) quartz and the red rhodochrosite rhombohedrons. The Hedgehog Pocket is famous for these combination specimens. No damage.
This is so beautiful, Carles! Thanks for sharing these new images of a - in my opinion - perfect mineral specimen :-)
Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Nov 22, 2024 04:44 Post subject: Re: Collection of Carles Millan
Tobi wrote:
This is so beautiful, Carles! Thanks for sharing these new images of a - in my opinion - perfect mineral specimen :-)
Tobi, thanks for your opinion. Not so beautiful; there are thousands of better rhodos out there from the Sweet Home Mine. I had the chance of purchasing it at a reasonable price in 2007 from the owners of the mine at a time when it was still open. After closing it, the prices have gone up and up, as usual.
Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Dec 17, 2024 09:25 Post subject: Collection of Carles Millan: Schorl from Galiléia
Schorl NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Description: A large, robust, well-formed schorl tourmaline crystal showing nine vertical faces (3+6), corresponding to the trigonal and hexagonal prisms, with the three typical triangular faces at the tips. Complete all around 360º, as can be seen in the video. The specimen is lustrous, jet-black, and has very faint to barely discernible vertical striations that are typical of tourmaline but are so poorly developed that they give the crystal a high luster. It is also unusual in that this doubly terminated crystal displays pyramidal terminations at each end. Ex-Alvaro Lucio collection.
Dimensions: 96 mm x 62 mm.
Largest crystal size: 96 mm.
Mass: 592 g.
Locality: Galiléia, Vale do Río Doce, Minas Gerais, Brazil.
Unless otherwise noted, all photos are copyright by Carles Millan. Reproduction allowed as long as the author's name is cited and the image not modified (if it is not too much to ask...). Creative Commons Attribution Licence - Some Rights Reserved.
Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Dec 27, 2024 12:50 Post subject: Collection of Carles Millan: Quartz from Viladrau
Quartz SiO2
Description: Two undamaged translucent quartz crystals with some feldspar at the base. Purchased in 1966 from Francesc Coma at his store 'Scheelita-Daco' based in Barcelona (Catalonia) for 0.45€.
Mr. Coma had worked for a long term as a curator of the Joaquim Folch collection.
Interesting only for local collectors.
Dimensions: 70 mm x 64 mm.
Largest crystal: 67 mm x 41 mm.
Mass: 179 g.
Unless otherwise noted, all photos are copyright by Carles Millan. Reproduction allowed as long as the author's name is cited and the image not modified (if it is not too much to ask...). Creative Commons Attribution Licence - Some Rights Reserved.
Joined: 05 May 2007
Posts: 1532
Location: Catalonia
Posted: Dec 31, 2024 05:56 Post subject: Collection of Carles Millan: Microcline from Viladrau
Microcline K(AlSi3O8), Quartz SiO2
Description: A typical Baveno twin crystal of microcline, accompanied by a group of smoky quartz crystals, on a matrix of light pink granitic rock. Purchased in 1974 from Joan Montal, Vilafranca del Penedès, Catalonia, for €4.21.
Dimensions: 65 mm x 56 mm.
Largest crystal: 33 mm.
Mass: 93 g.
Locality: La Sala, Viladrau, Montseny, Osona, Catalonia.
Unless otherwise noted, all photos are copyright by Carles Millan. Reproduction allowed as long as the author's name is cited and the image not modified (if it is not too much to ask...). Creative Commons Attribution Licence - Some Rights Reserved.
Unless otherwise noted, all photos are copyright by Carles Millan. If it is not too much to ask, reproduction is allowed as long as the author's name is cited, and the image is not modified. Creative Commons Attribution Licence - Some Rights Reserved.
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