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Comet Wild 2 (Comet 81P), Outer Spacei
Regional Level Types
Comet Wild 2 (Comet 81P)- not defined -
Outer SpaceDeep Space

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Comet Wild 2 (2004, NASA)

Comet Wild 2, Outer Space
Comet Wild 2 (2004, NASA)

Comet Wild 2, Outer Space
Comet Wild 2 (2004, NASA)

Comet Wild 2, Outer Space
Other/historical names associated with this locality:
81P/Wild 2


Particles collected by the Stardust spacecraft mission from the comet Wild 2 in 2004. Beside minerals, a study of Elsila et al. (2009) confirms the presence of the aminoacids, mainly glycine (NH2CH2COOH) and ε-amino-n-caproic acid - NH2(CH2)5COOH. The capture was by aerogel cells (directly exposed to the comet's coma) with aluminium foils, that were designed to catch both particles and volatiles. Other compounds detected by the aerogel capture itself are methylamine (NH2CH3), ethylamine (NH2C2H5); foil samples also shown the presence of β-alanine, L-alanine and D-alanine.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 valid minerals.

Detailed Mineral List:

Anorthite
Formula: Ca(Al2Si2O8)
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.; Ishii, H. A., Bradley, J. P., Dai, Z. R., Chi, M., Kearsley, A. T., Burchell, M. J., ... & Molster, F. (2008). Comparison of comet 81P/Wild 2 dust with interplanetary dust from comets. Science, 319(5862), 447-450.
Corundum
Formula: Al2O3
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.; Ishii, H. A., Bradley, J. P., Dai, Z. R., Chi, M., Kearsley, A. T., Burchell, M. J., ... & Molster, F. (2008). Comparison of comet 81P/Wild 2 dust with interplanetary dust from comets. Science, 319(5862), 447-450.
Cubanite
Formula: CuFe2S3
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.
Diopside
Formula: CaMgSi2O6
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.
Enstatite
Formula: MgSiO3
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.; Acevedo, R. D., Rabassa, J., Orgeira, M. J., Prezzi, C., Corbella, H., Ponce, J. F., ... & Conicet, M. R. (2010). Experimental Study Of The Mechanisms Of Formation Of Nanosulfides In Comet Wild 2. Meteoritics & Planetary Science, 45, A5-A227.
Esseneite
Formula: CaFe3+[AlSiO6]
Reference: Ciesielczuk, J., Kruszewski, Ł., & Majka, J. (2015). Comparative mineralogical study of thermally-altered coal-dump waste, natural rocks and the products of laboratory heating experiments. International Journal of Coal Geology, 139, 114-141.
Forsterite
Formula: Mg2SiO4
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.; Acevedo, R. D., Rabassa, J., Orgeira, M. J., Prezzi, C., Corbella, H., Ponce, J. F., ... & Conicet, M. R. (2010). Experimental Study Of The Mechanisms Of Formation Of Nanosulfides In Comet Wild 2. Meteoritics & Planetary Science, 45, A5-A227.
Gehlenite
Formula: Ca2Al(AlSiO7)
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.
Iron
Formula: Fe
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.
'Melilite Group'
Formula: Ca2M(XSiO7)
Reference: Ishii, H. A., Bradley, J. P., Dai, Z. R., Chi, M., Kearsley, A. T., Burchell, M. J., ... & Molster, F. (2008). Comparison of comet 81P/Wild 2 dust with interplanetary dust from comets. Science, 319(5862), 447-450.
Osbornite
Formula: TiN
Description: Micron-sized particles. Vanadium-bearing.
Reference: www.llnl.gov/pao/news/news_releases/2006/NR-06-12-03.html (Lawrence Livermore National Laboratories).; Ishii, H. A., Bradley, J. P., Dai, Z. R., Chi, M., Kearsley, A. T., Burchell, M. J., ... & Molster, F. (2008). Comparison of comet 81P/Wild 2 dust with interplanetary dust from comets. Science, 319(5862), 447-450.
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.
Perovskite
Formula: CaTiO3
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.
Pyrrhotite
Formula: Fe7S8
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.; Acevedo, R. D., Rabassa, J., Orgeira, M. J., Prezzi, C., Corbella, H., Ponce, J. F., ... & Conicet, M. R. (2010). Experimental Study Of The Mechanisms Of Formation Of Nanosulfides In Comet Wild 2. Meteoritics & Planetary Science, 45, A5-A227.
Roedderite
Formula: (Na,K)2(Mg,Fe)5Si12O30
Reference: Ishii, H. A., Bradley, J. P., Dai, Z. R., Chi, M., Kearsley, A. T., Burchell, M. J., ... & Molster, F. (2008). Comparison of comet 81P/Wild 2 dust with interplanetary dust from comets. Science, 319(5862), 447-450.
Spinel
Formula: MgAl2O4
Reference: Gornitz, V. (2007) Hot & cold origins: the mineralogy of a comet. Mineral News, 23, #1, 1-4.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Iron1.AE.05Fe
Osbornite1.BC.15TiN
Group 2 - Sulphides and Sulfosalts
Cubanite2.CB.55aCuFe2S3
Pentlandite2.BB.15(FexNiy)Σ9S8
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Perovskite4.CC.30CaTiO3
Spinel4.BB.05MgAl2O4
Group 9 - Silicates
Anorthite9.FA.35Ca(Al2Si2O8)
Diopside9.DA.15CaMgSi2O6
Enstatite9.DA.05MgSiO3
Esseneite9.DA.15CaFe3+[AlSiO6]
Forsterite9.AC.05Mg2SiO4
Gehlenite9.BB.10Ca2Al(AlSiO7)
Roedderite9.CM.05(Na,K)2(Mg,Fe)5Si12O30
Unclassified Minerals, Rocks, etc.
'Melilite Group'-Ca2M(XSiO7)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Osbornite1.1.19.1TiN
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:1
Cubanite2.9.13.1CuFe2S3
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Perovskite4.3.3.1CaTiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Group 55 - SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
Si2O7 Groups, Generally with No Additional Anions with cations in [8] and lower coordination
Gehlenite55.4.1.2Ca2Al(AlSiO7)
Group 63 - CYCLOSILICATES Condensed Rings
Condensed Rings (Milarite - Osumilite group)
Roedderite63.2.1a.14(Na,K)2(Mg,Fe)5Si12O30
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Enstatite65.1.2.1MgSiO3
Esseneite65.1.3a.6CaFe3+[AlSiO6]
Unclassified Minerals, Mixtures, etc.
Anorthite-Ca(Al2Si2O8)
Iron-Fe
'Melilite Group'-Ca2M(XSiO7)

List of minerals for each chemical element

NNitrogen
N OsborniteTiN
OOxygen
O ForsteriteMg2SiO4
O EnstatiteMgSiO3
O DiopsideCaMgSi2O6
O AnorthiteCa(Al2Si2O8)
O SpinelMgAl2O4
O CorundumAl2O3
O GehleniteCa2Al(AlSiO7)
O PerovskiteCaTiO3
O EsseneiteCaFe3+[AlSiO6]
O Melilite GroupCa2M(XSiO7)
O Roedderite(Na,K)2(Mg,Fe)5Si12O30
NaSodium
Na Roedderite(Na,K)2(Mg,Fe)5Si12O30
MgMagnesium
Mg ForsteriteMg2SiO4
Mg EnstatiteMgSiO3
Mg DiopsideCaMgSi2O6
Mg SpinelMgAl2O4
Mg Roedderite(Na,K)2(Mg,Fe)5Si12O30
AlAluminium
Al AnorthiteCa(Al2Si2O8)
Al SpinelMgAl2O4
Al CorundumAl2O3
Al GehleniteCa2Al(AlSiO7)
Al EsseneiteCaFe3+[AlSiO6]
SiSilicon
Si ForsteriteMg2SiO4
Si EnstatiteMgSiO3
Si DiopsideCaMgSi2O6
Si AnorthiteCa(Al2Si2O8)
Si GehleniteCa2Al(AlSiO7)
Si EsseneiteCaFe3+[AlSiO6]
Si Melilite GroupCa2M(XSiO7)
Si Roedderite(Na,K)2(Mg,Fe)5Si12O30
SSulfur
S PyrrhotiteFe7S8
S Pentlandite(FexNiy)Σ9S8
S CubaniteCuFe2S3
KPotassium
K Roedderite(Na,K)2(Mg,Fe)5Si12O30
CaCalcium
Ca DiopsideCaMgSi2O6
Ca AnorthiteCa(Al2Si2O8)
Ca GehleniteCa2Al(AlSiO7)
Ca PerovskiteCaTiO3
Ca EsseneiteCaFe3+[AlSiO6]
Ca Melilite GroupCa2M(XSiO7)
TiTitanium
Ti OsborniteTiN
Ti PerovskiteCaTiO3
FeIron
Fe PyrrhotiteFe7S8
Fe Pentlandite(FexNiy)Σ9S8
Fe CubaniteCuFe2S3
Fe IronFe
Fe EsseneiteCaFe3+[AlSiO6]
Fe Roedderite(Na,K)2(Mg,Fe)5Si12O30
NiNickel
Ni Pentlandite(FexNiy)Σ9S8
CuCopper
Cu CubaniteCuFe2S3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
A'Hearn (2006) Stardust perspective: Whence comets? Science, 314, 1708-1709.
Brownlee et al. (2006) Comet 81P/Wild 2 under a microscope. Science, 314, 1711-1716.
Keller et al. (2006) Infrared spectroscopy of Comet 81P/Wild 2 samples returned by Stardust. Science, 314, 1728-1731.
Zolensky et al. (2006) Mineralogy and Petrology of Comet 81P/Wild 2 nucleus samples. Science, 314, 1735-1739.
(All of the above articles are very well summarized for mineral collectors by Dr. Vivien Gornitz in Mineral News, January 2007 issue.)
Elsila, J.E., Glavin, D.P., Dworkin, J.P. (2009): Cometary glycine detected in samples returned by Stardust. Meteoritics and Planetary Science: 44(9): 1232-1330.
Acevedo, R. D., Rabassa, J., Orgeira, M. J., Prezzi, C., Corbella, H., Ponce, J. F., ... & Conicet, M. R. (2010). Experimental Study Of The Mechanisms Of Formation Of Nanosulfides In Comet Wild 2. Meteoritics & Planetary Science, 45, A5-A227.

External Links

- http://www.llnl.gov/pao/news/news_releases/2006/NR-06-12-03.html (Lawrence Livermore National Laboratories)


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