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This is a Malachite formation from the Star of Congo Mine, Democratic Republic of the Congo. labelled The Wisdom Tree.
en.wikipedia.org/wiki/Etoile_mine
The Etoile Mine (also known as L'Etoile du Congo Mine, Kalukuluku, or Star of the Congo Mine)[1] is an open-pit copper mine on the outskirts of Lubumbashi in Katanga Province of the Democratic Republic of the Congo (DRC). Chemaf (Chemical of Africa) owns the license. Chemaf is 95% owned by Shalina Resources and 5% by the DRC government.[2]
The Etoile orebody lies within the copperbelt that stretches from Luanshya in Zambia to Kolwezi in the DRC. As with many of the deposits in southern Katanga, it is a stratiform copper-cobalt deposit. An enlarged oxide cap about 50 metres (160 ft) overlays an inclined stratiform sulphide deposit.[4]
www.mindat.org/loc-4331.html
en.wikipedia.org/wiki/Malachite
Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation. Individual crystals are rare, but occur as slender to acicular prisms. Pseudomorphs after more tabular or blocky azurite crystals also occur.[5]
The stone's name derives (via Latin: molochītis, Middle French: melochite, and Middle English melochites) from Greek Μολοχίτης λίθος molochites lithos, "mallow-green stone", from μολόχη molochē, variant of μαλάχη malāchē, "mallow".[6] The mineral was given this name due to its resemblance to the leaves of the mallow plant.[7] Copper (Cu2+) gives malachite its green color.[8]
Malachite was mined from deposits near the Isthmus of Suez and the Sinai as early as 4000 BCE.[9]
It was extensively mined at the Great Orme Mines in Britain 3,800 years ago, using stone and bone tools. Archaeological evidence indicates that mining activity ended c. 600 BCE, with up to 1,760 tonnes of copper being produced from the mined malachite.[10][11]
www.mindat.org/min-2550.html
Here is information on Katanga DR Congo
www.mindat.org/locentry-1306408.html
www.visittucson.org/tucson-gem-mineral-fossil-showcase/
Every year the world-renowned Tucson Gem, Mineral & Fossil Showcase is like a time portal, a trip around the world, and a treasure hunt all rolled into one. Every winter, more than 65,000 guests from around the globe descend upon Tucson, AZ, to buy, sell, trade, and bear witness to rare and enchanting gems, minerals, and fossils at more than 50 gem show locations across the city. If you're planning a winter visit to Tucson, you won't want to miss this three-week-long event filled with shows, related events, a free day at the gem & mineral museum, and much, much more!
"Whether you’re looking for a $5 shimmering crystal necklace or a show-stopping $200,000 crystallized rock from an exotic location, the Tucson Gem, Mineral, & Fossil Shows have something for everyone.
www.visittucson.org/blog/post/gems-and-minerals/
www.tgms.org/show
The theme this year was Shades of Green- Experience the Magic. The theme for next year's show will be Red, White, and Blue Celebrate the Spirit of Minerals
xpopress.com/news/article/783/shades-of-green-70th-annual...
Green-colored gemstones are part of almost every mineral group. Famous members include emeralds (beryl); chrysoprase, bloodstone, aventurine, imperial jasper, kabamba jasper, and ocean jasper (quartz); green tourmaline; green sapphires; nephrite jade and imperial green jadeite; as well as tsavorite, grossular, demantoid, and drusy uvarovite (garnets).
There are also the soloists: malachite, amazonite, chrysoberyl, chrome diopside, maw-sit-sit, drusy liebethenite from Congo, fluorite, peridot, gaspeite, lime magnesite, seraphinite, prehnite, idocrase, and serpentine.
Green gems vary in hue, chroma (saturation), lightness, and tint, each with an identifiable green shade. They evoke memories of picturesque and scenic vistas, gardens, and lush meadows. Green is considered relaxing and pleasing to the eye and symbolizes nature, spring, healing, fertility, rebirth, and regeneration. It is linked to over thirty similes, idioms, and phrases used in everyday language.
TGMS 2025
Tucson Gem Show 2025
This is a Malachite formation from the Star of Congo Mine, Democratic Republic of the Congo. labelled The Wisdom Tree.
en.wikipedia.org/wiki/Etoile_mine
The Etoile Mine (also known as L'Etoile du Congo Mine, Kalukuluku, or Star of the Congo Mine)[1] is an open-pit copper mine on the outskirts of Lubumbashi in Katanga Province of the Democratic Republic of the Congo (DRC). Chemaf (Chemical of Africa) owns the license. Chemaf is 95% owned by Shalina Resources and 5% by the DRC government.[2]
The Etoile orebody lies within the copperbelt that stretches from Luanshya in Zambia to Kolwezi in the DRC. As with many of the deposits in southern Katanga, it is a stratiform copper-cobalt deposit. An enlarged oxide cap about 50 metres (160 ft) overlays an inclined stratiform sulphide deposit.[4]
www.mindat.org/loc-4331.html
en.wikipedia.org/wiki/Malachite
Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation. Individual crystals are rare, but occur as slender to acicular prisms. Pseudomorphs after more tabular or blocky azurite crystals also occur.[5]
The stone's name derives (via Latin: molochītis, Middle French: melochite, and Middle English melochites) from Greek Μολοχίτης λίθος molochites lithos, "mallow-green stone", from μολόχη molochē, variant of μαλάχη malāchē, "mallow".[6] The mineral was given this name due to its resemblance to the leaves of the mallow plant.[7] Copper (Cu2+) gives malachite its green color.[8]
Malachite was mined from deposits near the Isthmus of Suez and the Sinai as early as 4000 BCE.[9]
It was extensively mined at the Great Orme Mines in Britain 3,800 years ago, using stone and bone tools. Archaeological evidence indicates that mining activity ended c. 600 BCE, with up to 1,760 tonnes of copper being produced from the mined malachite.[10][11]
www.mindat.org/min-2550.html
Here is information on Katanga DR Congo
www.mindat.org/locentry-1306408.html
www.visittucson.org/tucson-gem-mineral-fossil-showcase/
Every year the world-renowned Tucson Gem, Mineral & Fossil Showcase is like a time portal, a trip around the world, and a treasure hunt all rolled into one. Every winter, more than 65,000 guests from around the globe descend upon Tucson, AZ, to buy, sell, trade, and bear witness to rare and enchanting gems, minerals, and fossils at more than 50 gem show locations across the city. If you're planning a winter visit to Tucson, you won't want to miss this three-week-long event filled with shows, related events, a free day at the gem & mineral museum, and much, much more!
"Whether you’re looking for a $5 shimmering crystal necklace or a show-stopping $200,000 crystallized rock from an exotic location, the Tucson Gem, Mineral, & Fossil Shows have something for everyone.
www.visittucson.org/blog/post/gems-and-minerals/
www.tgms.org/show
The theme this year was Shades of Green- Experience the Magic. The theme for next year's show will be Red, White, and Blue Celebrate the Spirit of Minerals
xpopress.com/news/article/783/shades-of-green-70th-annual...
Green-colored gemstones are part of almost every mineral group. Famous members include emeralds (beryl); chrysoprase, bloodstone, aventurine, imperial jasper, kabamba jasper, and ocean jasper (quartz); green tourmaline; green sapphires; nephrite jade and imperial green jadeite; as well as tsavorite, grossular, demantoid, and drusy uvarovite (garnets).
There are also the soloists: malachite, amazonite, chrysoberyl, chrome diopside, maw-sit-sit, drusy liebethenite from Congo, fluorite, peridot, gaspeite, lime magnesite, seraphinite, prehnite, idocrase, and serpentine.
Green gems vary in hue, chroma (saturation), lightness, and tint, each with an identifiable green shade. They evoke memories of picturesque and scenic vistas, gardens, and lush meadows. Green is considered relaxing and pleasing to the eye and symbolizes nature, spring, healing, fertility, rebirth, and regeneration. It is linked to over thirty similes, idioms, and phrases used in everyday language.
TGMS 2025
Tucson Gem Show 2025
Vintage French postcard. L'éléphant d'Afrique (Ecole de dressage de la ferme d'Api) (Congo belge). Belgian Congo is now the Democratic Republic of the Congo.
La croisière noire is a French expedition film by Léon Poirier and cinematographer Georges Specht. "La croisière noire was the second expedition organized by Georges-Marie Haardt and Louis Audouin-Dubreuil for Citroën. It was one of the publicity missions sponsored by André Citroën, with support from the Société de géographie and the Muséum national d'histoire naturelle, to promote his vehicles. The mission aimed to open a regular motor route in Africa and also had political and cultural overtones. Starting at Béchaar, Algeria, on 28 October 1924, the expedition crossed the Sahara Desert and proceeded through Mali, Nigeria, Chad and Ubangi-Shari in French Equatorial Africa (AEF) and the Belgian Congo." (Source: researchworks.oclc.org/archivegrid/archiveComponent/97081...)
The expedition took place in October 1924, while Poirier's film came out in 1926. Loads of photos were exhibited too, e.g. at the Louvre in 1926.
Vintage French postcard. Une femme Logo (Congo belge). Belgian Congo is now the Democratic Republic of the Congo. The Logo people or Logoa (plural) are an ethnic group of Nilotic origin who live predominantly in the north-east of the Democratic Republic of the Congo as well as parts of western Uganda and southern South Sudan.
La croisière noire is a French expedition film by Léon Poirier and cinematographer Georges Specht. "La croisière noire was the second expedition organized by Georges-Marie Haardt and Louis Audouin-Dubreuil for Citroën. It was one of the publicity missions sponsored by André Citroën, with support from the Société de géographie and the Muséum national d'histoire naturelle, to promote his vehicles. The mission aimed to open a regular motor route in Africa and also had political and cultural overtones. Starting at Béchaar, Algeria, on 28 October 1924, the expedition crossed the Sahara Desert and proceeded through Mali, Nigeria, Chad and Ubangi-Shari in French Equatorial Africa (AEF) and the Belgian Congo." (Source: researchworks.oclc.org/archivegrid/archiveComponent/97081...)
The expedition took place in October 1924, while Poirier's film came out in 1926. Loads of photos were exhibited too, e.g. at the Louvre in 1926.