[meteorite-list] Ad - Weekly Rare Material
From: Adam Hupe <adamhupe_at_meteoritecentral.com>
Date: Thu Apr 22 10:22:42 2004 Message-ID: <00c401c33b81$1b109f40$b4dbe60c_at_attbi.com> Dear List Members, It is our pleasure to announce another Mesosiderite, NWA 1879 (provisional). This new Mesosiderite differs from the last Stony-Iron we introduced called NWA 1878 (provisional). We posted a couple of images earlier this week showing beautiful crystal clusters scattered throughout its matrix. We took the image of the prepared slice in a way that did not show the metal and this caused all kinds of wild guesses to come in. It also generated emails from some dealers who claim to have some of this material which may be true. The problem is that we now have three completely different Mesosiderites from the desert in our inventory. We know this sounds crazy because of the rarity of this class but they came from three sources and are completely different in texture. When scientists announced none of them were paired with each other we were even more impressed. We have been pursuing some of these for over a year. A false rumor of a giant Lodranite has been spread throughout the dealer community causing even more confusion. Then to top it off, a metal-rich Diogenite has been found that closely resembles a Mesosiderite. It is our belief that the metal-rich Diogenite is being confused with a Mesosiderite or a Lodranite in the field. Some are even try to sell it as a Lodranite in Morocco. As far as we know only one Lodranite has ever been found in the Sahara. We know this because we have it in our inventory, its find location has been kept very secret, it came directly from a village not a middleman, no other laboratories have reported coming across one and it is awaiting O-Isotope testing. It looks nothing like a Mesosiderite. The only comments we can make on the metal-rich Diogenite is that it looks just like a Mesosiderite but the FeO/MnO ratio support it being a Diogenite. The ratios on NWA 1879 support it being a Mesosiderite. Both our Mesosiderite and the metal-rich Diogenite were studied in the same laboratory so if they were paired we would know about it. We hope this helps to clear up some confusion regarding this material. We want to further lessen the confusion regarding all of these rarities so we are sending secondary type specimens to the labs studying anything remotely similar for other dealers. If they find any pairings we will be happy to report what they found. Now, to see this gorgeous new meteorite, look at the NWA 1879 listings on the eBay link below: http://members.ebay.com/aboutme/meteoritelab/ We will be receiving a shipment later this week with a generous amount of the new metal-rich Diogenite. If anybody is interested we will be happy to prepare specimens up to 2,500 grams and distribute it in polished thin-sliced form if desired. It will be sometime late this summer before we can distribute any of the Lodranite because of O-Isotope testing. We were going to save the Lodranite for a Denver surprise but since there is already talk about this rare beast we thought we would mention it now in order to clear up any confusion. Wishing everybody the very best, Adam and Greg Hupe The Hupe Collection IMCA 2185 Received on Wed 25 Jun 2003 09:20:18 PM PDT |
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