Tisserlitine Natural Moon Pendant

On Offer: Pendant hand fashioned from the hydrothermally altered lunar meteorite Tisserlitine 001. The center stone for this pendant is not shaped after cutting like most of our pendant center stones. Instead we are leaving these in a more natural state and set them with minimal additional stylistic input to compliment the organic and complex patterning created by the hydrothermal alterations.

The Tisserlitine 001 lunar meteorite is a beautiful brecciated lunar meteorite, with a vey complex interior in comparison to many feldspathic breccia, due to terrestrial alteration by hydrothermal processes prior to being discovered.

Dimensions not including bail: Approximately 36mm x 15mm x 6mm

Dimensions including bail: Approximately 40mm x 15mm x 8mm

Center stone official name: Tisserlitine 001

Type: Lunar Feldspathic Breccia

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 hand fashioned pendant with center stone of lunar feldspathic breccia meteorite Tisserlitine 001.

What you get: pendant with center stone of lunar feldspathic breccia meteorite Tisserlitine 001 and 18 inch sterling silver link chain as shown, membrane Storage/Shipping box, and signed Certificate of Authenticity.

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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: 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

Writeup

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 (Fa_17.3-32.1, FeO/MnO = 76-100, N = 15), anorthite (An_95.4-99.0Or_0.2-0.0, N = 7), pigeonite (Fs_18.2-26.8Wo_12.4-4.7, FeO/MnO = 47-54, N = 6), orthopyroxene (Fs_16.0-21.6Wo_2.2-3.7, FeO/MnO = 51-66, N = 4), subcalcic augite (Fs_15.9Wo_31.0, FeO/MnO = 41), augite (Fs_7.6-7.9Wo_42.9-45.6; Fs_13.8Wo_38.9; FeO/MnO = 36-48, N = 3). Troctolite clast: olivine (Fa_18.2-21.2, FeO/MnO = 84-92, N = 4), anorthite (An_97.7Or_0.0), 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