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The Allende meteorite fell in Mexico in 1969.
It is often considered as the “Rosetta Stone” of planetologists, because it has improved our knowledge on the origins of our solar system. This meteorite was formed before our planet, in the very first moments of the solar system. It preserves in its heart the traces of the nebula which generated the Sun and its procession of planets.
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NWA 13487 is a very nice fresh mesosiderite meteorite of only 58 grams.
Writeup from MB 109:
Northwest Africa 13487 (NWA 13487)
(Northwest Africa)
Purchased: 2019 Jun
Classification: Mesosiderite
History: Bought in Ensisheim in June 2019 from Norddine Azelmat.
Physical characteristics: A dark brown irregular stone.
Petrography: (J. Gattacceca, CEREGE) Brecciated rock with a silicate fraction composed of plagioclase and low-Ca pyroxene (typical size 200 m), and less abundant Ca-pyroxene. Abundant contorted multi-mm sized metal grains (~30 vol%). Other minerals: troilite, merrillite, SiO2.
Geochemistry: Pyroxene Fs31.3±0.1Wo2.2±0.1, FeO/MnO = 24.1 (n=2). Plagioclase An91.6Ab8.2Or0.3 (n=2).
Classification: Mesosiderite.
Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.
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NWA 13487 is a very nice fresh mesosiderite meteorite of only 58 grams.
Writeup from MB 109:
Northwest Africa 13487 (NWA 13487)
(Northwest Africa)
Purchased: 2019 Jun
Classification: Mesosiderite
History: Bought in Ensisheim in June 2019 from Norddine Azelmat.
Physical characteristics: A dark brown irregular stone.
Petrography: (J. Gattacceca, CEREGE) Brecciated rock with a silicate fraction composed of plagioclase and low-Ca pyroxene (typical size 200 m), and less abundant Ca-pyroxene. Abundant contorted multi-mm sized metal grains (~30 vol%). Other minerals: troilite, merrillite, SiO2.
Geochemistry: Pyroxene Fs31.3±0.1Wo2.2±0.1, FeO/MnO = 24.1 (n=2). Plagioclase An91.6Ab8.2Or0.3 (n=2).
Classification: Mesosiderite.
Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.
Aydar 003 is a very fresh carbonaceous meteorite of type CM1/2.
It is an extremely rare type, since to date only 26 meteorites of this type have been officially classified.
It was discovered in the Western Sahara in a concentration area called Aydar.
Aydar 003 27°40’06.09″N, 10°06’25.33″W
South, Morocco
Purchased: 2018
Classification: Carbonaceous chondrite (CM1/2)
History: Found between 2016 and 2018. Bought from Abdelaziz Alhyane.
Physical characteristics: Crusted stones. The fusion crust shows a network of cracks. Cut surface reveals dark interior
Petrography: (J. Gattacceca, CEREGE) Small altered chondrules (average apparent diameter about 270 µm) and altered mineral fragments and fine grained CAIs set in an abundant fine-grained phyllosilicate-rich matrix (about 75 vol%). Olivine has been almost entirely serpentinized. Opaque minerals are FeS and magnetite. No metal was found. Transmission Infrared spectroscopy (L. Bonal, IPAG) of matrix grains reveals a water and Si-O bands attributable to phyllosilicates.
Geochemistry: Olivine is serpentinized, with microprobe totals of 85.9%±1.1% (n=9). Unaltered olivine crystals give Fa1.4 and Fa 17.9 (n=2). Defocused (10 µm) microprobe totals in the matrix 75.5±5.5% (n=7).
Classification: Carbonaceous chondrite (CM1/2). Petrologic type 1/2 from the almost total serpentinization of silicates but absence of narrow -OH band typically seen in phyllosilicates of the smectite group commonly observed seen in type 1 chondrites. Possibly paired with NWA 11322 and NWA 8534.
Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.
Out of stock
Aydar 003 is a very fresh carbonaceous meteorite of type CM1/2.
It is an extremely rare type, since to date only 26 meteorites of this type have been officially classified.
It was discovered in the Western Sahara in a concentration area called Aydar.
Aydar 003 27°40’06.09″N, 10°06’25.33″W
South, Morocco
Purchased: 2018
Classification: Carbonaceous chondrite (CM1/2)
History: Found between 2016 and 2018. Bought from Abdelaziz Alhyane.
Physical characteristics: Crusted stones. The fusion crust shows a network of cracks. Cut surface reveals dark interior
Petrography: (J. Gattacceca, CEREGE) Small altered chondrules (average apparent diameter about 270 µm) and altered mineral fragments and fine grained CAIs set in an abundant fine-grained phyllosilicate-rich matrix (about 75 vol%). Olivine has been almost entirely serpentinized. Opaque minerals are FeS and magnetite. No metal was found. Transmission Infrared spectroscopy (L. Bonal, IPAG) of matrix grains reveals a water and Si-O bands attributable to phyllosilicates.
Geochemistry: Olivine is serpentinized, with microprobe totals of 85.9%±1.1% (n=9). Unaltered olivine crystals give Fa1.4 and Fa 17.9 (n=2). Defocused (10 µm) microprobe totals in the matrix 75.5±5.5% (n=7).
Classification: Carbonaceous chondrite (CM1/2). Petrologic type 1/2 from the almost total serpentinization of silicates but absence of narrow -OH band typically seen in phyllosilicates of the smectite group commonly observed seen in type 1 chondrites. Possibly paired with NWA 11322 and NWA 8534.
Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.
Out of stock
Aydar 003 is a very fresh carbonaceous meteorite of type CM1/2.
It is an extremely rare type, since to date only 26 meteorites of this type have been officially classified.
It was discovered in the Western Sahara in a concentration area called Aydar.
Aydar 003 27°40’06.09″N, 10°06’25.33″W
South, Morocco
Purchased: 2018
Classification: Carbonaceous chondrite (CM1/2)
History: Found between 2016 and 2018. Bought from Abdelaziz Alhyane.
Physical characteristics: Crusted stones. The fusion crust shows a network of cracks. Cut surface reveals dark interior
Petrography: (J. Gattacceca, CEREGE) Small altered chondrules (average apparent diameter about 270 µm) and altered mineral fragments and fine grained CAIs set in an abundant fine-grained phyllosilicate-rich matrix (about 75 vol%). Olivine has been almost entirely serpentinized. Opaque minerals are FeS and magnetite. No metal was found. Transmission Infrared spectroscopy (L. Bonal, IPAG) of matrix grains reveals a water and Si-O bands attributable to phyllosilicates.
Geochemistry: Olivine is serpentinized, with microprobe totals of 85.9%±1.1% (n=9). Unaltered olivine crystals give Fa1.4 and Fa 17.9 (n=2). Defocused (10 µm) microprobe totals in the matrix 75.5±5.5% (n=7).
Classification: Carbonaceous chondrite (CM1/2). Petrologic type 1/2 from the almost total serpentinization of silicates but absence of narrow -OH band typically seen in phyllosilicates of the smectite group commonly observed seen in type 1 chondrites. Possibly paired with NWA 11322 and NWA 8534.
Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.
Out of stock
Aydar 003 is a very fresh carbonaceous meteorite of type CM1/2.
It is an extremely rare type, since to date only 26 meteorites of this type have been officially classified.
It was discovered in the Western Sahara in a concentration area called Aydar.
Aydar 003 27°40’06.09″N, 10°06’25.33″W
South, Morocco
Purchased: 2018
Classification: Carbonaceous chondrite (CM1/2)
History: Found between 2016 and 2018. Bought from Abdelaziz Alhyane.
Physical characteristics: Crusted stones. The fusion crust shows a network of cracks. Cut surface reveals dark interior
Petrography: (J. Gattacceca, CEREGE) Small altered chondrules (average apparent diameter about 270 µm) and altered mineral fragments and fine grained CAIs set in an abundant fine-grained phyllosilicate-rich matrix (about 75 vol%). Olivine has been almost entirely serpentinized. Opaque minerals are FeS and magnetite. No metal was found. Transmission Infrared spectroscopy (L. Bonal, IPAG) of matrix grains reveals a water and Si-O bands attributable to phyllosilicates.
Geochemistry: Olivine is serpentinized, with microprobe totals of 85.9%±1.1% (n=9). Unaltered olivine crystals give Fa1.4 and Fa 17.9 (n=2). Defocused (10 µm) microprobe totals in the matrix 75.5±5.5% (n=7).
Classification: Carbonaceous chondrite (CM1/2). Petrologic type 1/2 from the almost total serpentinization of silicates but absence of narrow -OH band typically seen in phyllosilicates of the smectite group commonly observed seen in type 1 chondrites. Possibly paired with NWA 11322 and NWA 8534.
Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.
Out of stock
Aydar 003 is a very fresh carbonaceous meteorite of type CM1/2.
It is an extremely rare type, since to date only 26 meteorites of this type have been officially classified.
It was discovered in the Western Sahara in a concentration area called Aydar.
Aydar 003 27°40’06.09″N, 10°06’25.33″W
South, Morocco
Purchased: 2018
Classification: Carbonaceous chondrite (CM1/2)
History: Found between 2016 and 2018. Bought from Abdelaziz Alhyane.
Physical characteristics: Crusted stones. The fusion crust shows a network of cracks. Cut surface reveals dark interior
Petrography: (J. Gattacceca, CEREGE) Small altered chondrules (average apparent diameter about 270 µm) and altered mineral fragments and fine grained CAIs set in an abundant fine-grained phyllosilicate-rich matrix (about 75 vol%). Olivine has been almost entirely serpentinized. Opaque minerals are FeS and magnetite. No metal was found. Transmission Infrared spectroscopy (L. Bonal, IPAG) of matrix grains reveals a water and Si-O bands attributable to phyllosilicates.
Geochemistry: Olivine is serpentinized, with microprobe totals of 85.9%±1.1% (n=9). Unaltered olivine crystals give Fa1.4 and Fa 17.9 (n=2). Defocused (10 µm) microprobe totals in the matrix 75.5±5.5% (n=7).
Classification: Carbonaceous chondrite (CM1/2). Petrologic type 1/2 from the almost total serpentinization of silicates but absence of narrow -OH band typically seen in phyllosilicates of the smectite group commonly observed seen in type 1 chondrites. Possibly paired with NWA 11322 and NWA 8534.
Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.
Out of stock
Aydar 003 is a very fresh carbonaceous meteorite of type CM1/2.
It is an extremely rare type, since to date only 26 meteorites of this type have been officially classified.
It was discovered in the Western Sahara in a concentration area called Aydar.
Aydar 003 27°40’06.09″N, 10°06’25.33″W
South, Morocco
Purchased: 2018
Classification: Carbonaceous chondrite (CM1/2)
History: Found between 2016 and 2018. Bought from Abdelaziz Alhyane.
Physical characteristics: Crusted stones. The fusion crust shows a network of cracks. Cut surface reveals dark interior
Petrography: (J. Gattacceca, CEREGE) Small altered chondrules (average apparent diameter about 270 µm) and altered mineral fragments and fine grained CAIs set in an abundant fine-grained phyllosilicate-rich matrix (about 75 vol%). Olivine has been almost entirely serpentinized. Opaque minerals are FeS and magnetite. No metal was found. Transmission Infrared spectroscopy (L. Bonal, IPAG) of matrix grains reveals a water and Si-O bands attributable to phyllosilicates.
Geochemistry: Olivine is serpentinized, with microprobe totals of 85.9%±1.1% (n=9). Unaltered olivine crystals give Fa1.4 and Fa 17.9 (n=2). Defocused (10 µm) microprobe totals in the matrix 75.5±5.5% (n=7).
Classification: Carbonaceous chondrite (CM1/2). Petrologic type 1/2 from the almost total serpentinization of silicates but absence of narrow -OH band typically seen in phyllosilicates of the smectite group commonly observed seen in type 1 chondrites. Possibly paired with NWA 11322 and NWA 8534.
Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.
NWA 10241 is a beautiful LL3 chondrite of only 495 grams.
The piece for sale has the particularity of having a chondrule of 1 cm.
Writeup from MB 104:
Northwest Africa 10241 (NWA 10241)
(Northwest Africa)
Purchased: 2015 Jan
Classification: Ordinary chondrite (LL3)
History: Bought by Jean Redelsperger from Lahcen Ait Ha in Erfoud in January 2015.
Physical characteristics: Eight irregular gray fragments without fusion crust. Chondrules are clearly visible at the surface. Cut surface shows closely packed large chondrules, with little weathering.
Petrography: Well-defined closely packed chondrules. Chondrule mesostasis devitrified.
Geochemistry: Olivine range Fa5.8-39.6. Cr2O3 in ferroan olivine 0.15±0.12 wt%. Orthopyroxene range Fs6.1-14.0.
Classification: LL3
Specimens: 23.5 g at CEREGE. Main mass with Jean Redelsperger. Another 804 g stone exists with the seller, that is not accounted for here.
Out of stock
NWA 10241 is a beautiful LL3 chondrite of only 495 grams.
The piece for sale has the particularity of having a chondrule of 1 cm.
Writeup from MB 104:
Northwest Africa 10241 (NWA 10241)
(Northwest Africa)
Purchased: 2015 Jan
Classification: Ordinary chondrite (LL3)
History: Bought by Jean Redelsperger from Lahcen Ait Ha in Erfoud in January 2015.
Physical characteristics: Eight irregular gray fragments without fusion crust. Chondrules are clearly visible at the surface. Cut surface shows closely packed large chondrules, with little weathering.
Petrography: Well-defined closely packed chondrules. Chondrule mesostasis devitrified.
Geochemistry: Olivine range Fa5.8-39.6. Cr2O3 in ferroan olivine 0.15±0.12 wt%. Orthopyroxene range Fs6.1-14.0.
Classification: LL3
Specimens: 23.5 g at CEREGE. Main mass with Jean Redelsperger. Another 804 g stone exists with the seller, that is not accounted for here.
Out of stock
The Orgueil meteorite is a meteorite that fell on May 14, 1864 in France in a field in the commune of Orgueil. It is a carbonaceous chondrite of type CI1, a very rare type. This is the first meteorite in which extraterrestrial amino acids have been found, giving credence to the theory of panspermia.
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Tiglit is a rare aubrite that fell in Morocco on December 10, 2021.
The first specimens or samples collected without scientific data have reached exorbitant prices up to 600 euros per gram, marketed as a lunar meteorite. Professor Abderrahmane Ibhi, expert in meteorites and founder responsible for the University Museum of Meteorites, confirmed the authenticity of the news of the fall of a meteorite in the south-east of Morocco near the village of Tiglit and indicated that the analyses carried out by the University Museum of Meteorites confirm that it is indeed a celestial rock of the aubrite type of asteroidal origin thus calming down some of the hunters of meteorites who thought that they had made a fortune.
I this date only 72 meteorites of this type have been classified.
It is a rare type of meteorite difficult to find on the market.
The name Aubrites is linked to the fall of a meteorite in France at Aubres in 1836. They are composed mainly of orthopyroxene to enstatite.
Tiglit is a rare aubrite that fell in Morocco on December 10, 2021.
The first specimens or samples collected without scientific data have reached exorbitant prices up to 600 euros per gram, marketed as a lunar meteorite. Professor Abderrahmane Ibhi, expert in meteorites and founder responsible for the University Museum of Meteorites, confirmed the authenticity of the news of the fall of a meteorite in the south-east of Morocco near the village of Tiglit and indicated that the analyses carried out by the University Museum of Meteorites confirm that it is indeed a celestial rock of the aubrite type of asteroidal origin thus calming down some of the hunters of meteorites who thought that they had made a fortune.
I this date only 72 meteorites of this type have been classified.
It is a rare type of meteorite difficult to find on the market.
The name Aubrites is linked to the fall of a meteorite in France at Aubres in 1836. They are composed mainly of orthopyroxene to enstatite.
Out of stock
Tiglit is a rare aubrite that fell in Morocco on December 10, 2021.
The first specimens or samples collected without scientific data have reached exorbitant prices up to 600 euros per gram, marketed as a lunar meteorite. Professor Abderrahmane Ibhi, expert in meteorites and founder responsible for the University Museum of Meteorites, confirmed the authenticity of the news of the fall of a meteorite in the south-east of Morocco near the village of Tiglit and indicated that the analyses carried out by the University Museum of Meteorites confirm that it is indeed a celestial rock of the aubrite type of asteroidal origin thus calming down some of the hunters of meteorites who thought that they had made a fortune.
I this date only 72 meteorites of this type have been classified.
It is a rare type of meteorite difficult to find on the market.
The name Aubrites is linked to the fall of a meteorite in France at Aubres in 1836. They are composed mainly of orthopyroxene to enstatite.
Out of stock
Tiglit is a rare aubrite that fell in Morocco on December 10, 2021.
The first specimens or samples collected without scientific data have reached exorbitant prices up to 600 euros per gram, marketed as a lunar meteorite. Professor Abderrahmane Ibhi, expert in meteorites and founder responsible for the University Museum of Meteorites, confirmed the authenticity of the news of the fall of a meteorite in the south-east of Morocco near the village of Tiglit and indicated that the analyses carried out by the University Museum of Meteorites confirm that it is indeed a celestial rock of the aubrite type of asteroidal origin thus calming down some of the hunters of meteorites who thought that they had made a fortune.
I this date only 72 meteorites of this type have been classified.
It is a rare type of meteorite difficult to find on the market.
The name Aubrites is linked to the fall of a meteorite in France at Aubres in 1836. They are composed mainly of orthopyroxene to enstatite.
Out of stock
Tiglit is a rare aubrite that fell in Morocco on December 10, 2021.
The first specimens or samples collected without scientific data have reached exorbitant prices up to 600 euros per gram, marketed as a lunar meteorite. Professor Abderrahmane Ibhi, expert in meteorites and founder responsible for the University Museum of Meteorites, confirmed the authenticity of the news of the fall of a meteorite in the south-east of Morocco near the village of Tiglit and indicated that the analyses carried out by the University Museum of Meteorites confirm that it is indeed a celestial rock of the aubrite type of asteroidal origin thus calming down some of the hunters of meteorites who thought that they had made a fortune.
I this date only 72 meteorites of this type have been classified.
It is a rare type of meteorite difficult to find on the market.
The name Aubrites is linked to the fall of a meteorite in France at Aubres in 1836. They are composed mainly of orthopyroxene to enstatite.
Out of stock
Tiglit is a rare aubrite that fell in Morocco on December 10, 2021.
The first specimens or samples collected without scientific data have reached exorbitant prices up to 600 euros per gram, marketed as a lunar meteorite. Professor Abderrahmane Ibhi, expert in meteorites and founder responsible for the University Museum of Meteorites, confirmed the authenticity of the news of the fall of a meteorite in the south-east of Morocco near the village of Tiglit and indicated that the analyses carried out by the University Museum of Meteorites confirm that it is indeed a celestial rock of the aubrite type of asteroidal origin thus calming down some of the hunters of meteorites who thought that they had made a fortune.
I this date only 72 meteorites of this type have been classified.
It is a rare type of meteorite difficult to find on the market.
The name Aubrites is linked to the fall of a meteorite in France at Aubres in 1836. They are composed mainly of orthopyroxene to enstatite.