{"product_id":"smithsonit-mit-willemit-tsumeb-namibia-historische-mineralstufe-vor-1972-ex-ilse-baer-sammlung-seltenes-sammler-mineral-kristall-stufe","title":"Smithsonite with Willemite Tsumeb Namibia Historic mineral specimen pre-1972 Ex Ilse Baer collection Rare collector's mineral crystal specimen","description":"HISTORIC SMITHSONITE WITH WILLEMITE – TSUMEB, NAMIBIA\u003cbr\u003e\u003cbr\u003eAn exceptional collector's item from the world-famous Tsumeb Mine in Namibia!\u003cbr\u003e\u003cbr\u003eThis beautiful mineral specimen impresses with its numerous white to colorless, partially translucent smithsonite crystals, which sit densely intergrown on a high-contrast natural matrix.\u003cbr\u003e\u003cbr\u003eThe crystals display a fascinating geometric structure with numerous well-defined crystal faces. Their varying sizes and partially vitreous, shiny surfaces give the specimen a particularly attractive appearance.\u003cbr\u003e\u003cbr\u003eAnother special feature is its extraordinary natural growth form: with a little imagination, the entire specimen resembles a small seal with its head raised or a dog lying down.\u003cbr\u003e\u003cbr\u003eA charming detail that makes this unique natural piece unmistakable!\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eORIGIN \u0026amp; MINERALOGY\u003cbr\u003e\u003cbr\u003e• Minerals: Smithsonite with willemite (according to original label)\u003cbr\u003e• Locality: Tsumeb Mine, Otavi Mountains, Namibia\u003cbr\u003e• Size: approx. 43 × 12 × 15 mm\u003cbr\u003e• Color: White to colorless, partially translucent\u003cbr\u003e• Crystal form: Densely intergrown, geometrically formed crystals\u003cbr\u003e• Treatment: Natural mineral specimen\u003cbr\u003e• Historical origin: Pre-1972, according to original label\u003cbr\u003e• Provenance: Former Ilse Baer collection\u003cbr\u003e• Special feature: Historic collector's item with documented provenance\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eWHAT MAKES SMITHSONITE SPECIAL?\u003cbr\u003e\u003cbr\u003eSmithsonite is a natural zinc carbonate known for its diverse colors and extraordinary crystal forms.\u003cbr\u003e\u003cbr\u003eParticularly beautiful specimens exhibit well-developed rhombohedral crystals with a vitreous to pearly luster.\u003cbr\u003e\u003cbr\u003eWillemite is a zinc silicate that is also among the characteristic minerals of the Tsumeb Mine.\u003cbr\u003e\u003cbr\u003eThe combination of both minerals makes this specimen an interesting piece for collectors of classic Tsumeb minerals.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eHISTORIC COLLECTOR'S ITEM – PRE-1972\u003cbr\u003e\u003cbr\u003eThe documented provenance of this specimen is particularly interesting.\u003cbr\u003e\u003cbr\u003eThe existing original label contains the following information:\u003cbr\u003e\u003cbr\u003eSmithsonite\u003cbr\u003eWillemite\u003cbr\u003eTsumeb Mine, Otavi Mountains, Namibia\u003cbr\u003ePre-1972\u003cbr\u003eex Ilse Baer Coll.\u003cbr\u003e\u003cbr\u003eThe designation \"ex Ilse Baer Coll.\" indicates that the piece comes from the former mineral collection of Ilse Baer.\u003cbr\u003e\u003cbr\u003eThe note \"pre-1972\" documents the historical origin of the specimen. The exact date of discovery is unknown.\u003cbr\u003e\u003cbr\u003eThe original label is, of course, included.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eTHE FAMOUS TSUMEB MINE\u003cbr\u003e\u003cbr\u003eThe Tsumeb Mine in Namibia is one of the most significant historical mineral localities in the world.\u003cbr\u003e\u003cbr\u003eIt is known for its exceptional variety of mineral species and its impressive crystal specimens.\u003cbr\u003e\u003cbr\u003eThe mine closed in 1996. Historical specimens with preserved original labels and documented collection provenance are therefore of particular interest to specialized mineral collectors.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eA UNIQUE NATURAL PIECE\u003cbr\u003e\u003cbr\u003eYou will receive exactly the pictured smithsonite-willemite specimen from the historic Tsumeb Mine, measuring 43 × 12 × 15 mm.\u003cbr\u003e\u003cbr\u003eThe densely intergrown crystals, the extraordinary natural form, and the documented provenance from an older mineral collection make this specimen a special unique piece.\u003cbr\u003e\u003cbr\u003eWith a little imagination, you can even recognize a small seal or a dog in its shape!\u003cbr\u003e\u003cbr\u003eThe historic original label is included.\u003cbr\u003e\u003cbr\u003eDelivery will be carefully and securely packaged.","brand":"Art of Nature Berlin","offers":[{"title":"Default Title","offer_id":53375080857867,"sku":null,"price":229.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2039\/7023\/files\/smithsonit-mit-willemit-tsumeb-namibia-historische-mineralstufe-vor-1972-ex-ilse-baer-sammlung-seltenes-sammler-mineral-kristall-stufe-8046091.jpg?v=1789916790","url":"https:\/\/artofnature.berlin\/en\/products\/smithsonit-mit-willemit-tsumeb-namibia-historische-mineralstufe-vor-1972-ex-ilse-baer-sammlung-seltenes-sammler-mineral-kristall-stufe","provider":"Art of Nature Berlin","version":"1.0","type":"link"}