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44.16g Lunar Meteorite End Piece I Tisserlitine 001

Top Meteorite

  • $ 9,936.00


 

On Offer:  Amazing 44.16 gram lunar meteorite. This Tisserlitine 001 lunar meteorite is a beautiful brecciated lunar meteorite, with a vey complex interior in comparison to many feldspathic breccia.

Official name: Tisserlitine 001

Type: Lunar Feldspathic Breccia

Dimensions:  This spectacular end piece is approximately:  72 mm x 40 mm x 14 mm 

Year Found: 2019

Country: Mali

Parent body: Our Moon - this is material ejected from our Moon when it was hit by another meteorite and became a meteorite itself when it hit the Earth.

Description: An amazing 44.16 gram lunar feldspathic breccia meteorite end piece. This end piece has been polished on one side and left with the natural desert patina on the other side.
What you get: 44.16 gram Lunar Meteorite specimen as shown, membrane Storage/Shipping box, and signed Certificate of Authenticity.
Top Meteorite offers a 100% no questions asked 30 day return policy.
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Tisserlitine 001
Basic information Name: Tisserlitine 001
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2019
Country: Mali
Mass:help 57.41 kg
Classification
  history:
Recommended:   Lunar (feldsp. breccia)    [explanation]

This is 1 of 240 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 13 Jun 2020
Writeuphelp
Writeup from MB 109:

Tisserlitine 001        21.325°N, 0.729°E

Gao, Mali

Find: 2019 Dec

Classification: Lunar meteorite (feldspathic breccia)

History: Beginning in December 2019 many similar dark stones were found together in the Kidal region of Mali, close to the border with Algeria. One very large stone (40026 g), another stone (4037 g) and 44 smaller stones (combined weight 3642 g) (total weight 47705 g) were purchased by Aziz Habibi in January 2020 from an Algerian dealer and subsequently acquired by Darryl Pitt. Independently, ten other stones of the same distinctive material (combined weight 8536 g) plus many smaller fragments (combined weight 1169 g) were purchased by Mbark Arjdal in February and March 2020 from a relative of the same Algerian dealer.

Physical characteristics: All specimens (many of which have a flattened slab-like form) lack fusion crust and exhibit medium-brown, "knobby" exterior surfaces. Interiors of stones have an overall tan to pinkish hue with obvious light gray, dark gray and whitish clasts plus some visible small grains of metal.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Two separate endcut specimens were studied. Both are samples of the same breccia material, composed of mineral clasts of anorthite, olivine, pigeonite, subcalcic augite, augite and orthopyroxene, plus sparse lithic clasts of spinel troctolite, set in a fine grained microvesicular matrix containing accessory altered kamacite, troilite, taenite and pentlandite. Secondary calcite is present pervasively in one of the two specimens studied and in places may be replacing original glass. Olivine grains in both studied specimens have been partially replaced by inhomogeneous phyllosilicate-rich assemblages, which apparently are hydroxylated (as evidenced by systematically low oxide analytical sums of 88-90 wt.% and absence of measurable F and Cl), and which are very Mn-deficient (yielding very elevated FeO/MnO ratios in the range 150-250). Troctolitic clasts are composed predominantly of anorthite and olivine with accessory Cr-pleonaste, low-Ca pyroxene and/or higher-Ca pyroxene.

Geochemistry: Olivine (Fa17.3-32.1, FeO/MnO = 76-100, N = 15), anorthite (An95.4-99.0Or0.2-0.0, N = 7), pigeonite (Fs18.2-26.8Wo12.4-4.7, FeO/MnO = 47-54, N = 6), orthopyroxene (Fs16.0-21.6Wo2.2-3.7, FeO/MnO = 51-66, N = 4), subcalcic augite (Fs15.9Wo31.0, FeO/MnO = 41), augite (Fs7.6-7.9Wo42.9-45.6; Fs13.8Wo38.9; FeO/MnO = 36-48, N = 3). Troctolite clast: olivine (Fa18.2-21.2, FeO/MnO = 84-92, N = 4), anorthite (An97.7Or0.0), pleonaste (mg = 0.721, cr = 0.093).

Classification: Lunar (feldspathic regolithic breccia, partially hydrothermally-altered).

Specimens: 37.6 g in the form of two polished endcuts at UWB; remainder with DPitt and Mr. M. Arjdal.

Data from:
  MB109
  Table 0
  Line 0:
State/Prov/County: Gao
Place of purchase: Mali
Date: 2019 Dec
Latitude: 21.325°N
Longitude: 0.729°E
Mass (g): 57410
Pieces: many
Class: Lunar (feldsp. breccia)
Shock stage: low
Weathering grade: moderate
Fayalite (mol%): 18.2-32.1
Ferrosilite (mol%): 16.0-46.2; 18.2-26.8; 15.9; 7.6-7.9
Wollastonite (mol%): 1.7-3.7; 12.4-4.7; 31.0; 42.9-45.6
Classifier: A. Irving, UWS, and P. Carpenter, WUSTL
Type spec mass (g): 37.6
Type spec location: UWB

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