1.04 grams Krest-Kytyl Meteorite ( H5 ) fragment found in Russia 2020 with a COA

Description

Krest-Kytyl
Basic information
Name:
Krest-Kytyl
This is an OFFICIAL meteorite name.
Abbreviation:
There is no official abbreviation for this meteorite.
Observed fall:
No
Year found:
2020
Country:
Russia
Mass
57 kg
Classification
history:
Recommended:
H5
This is 1 of 10808 approved meteorites (plus 19 unapproved names) classified as H5.
Comments:
Approved 15 Dec 2021
Writeup from MB 110:
Krest-Kytyl
62°38.8’N, 129°42.8’E
Respublika Sakha(Yakutiya), Russia
Find: 31 Oct 2020
Classification: Ordinary chondrite (H5)
History
: The meteorite was found by Mr. Nyurgustan Nikolaevich Uvarov on October 31, 2020, near the town Krest-Kytyl (Khamagatta), Namsky Ulus of Sakha Republic, Russia. The stone was partially covered with snow and had an eye-catching shape and color.
Physical characteristics
: Single stone of 57 kg with dark-brown surface and well developed regmaglypts. Fusion crust is partly preserved.
Petrography
: The meteorite is composed of poorly delineated BO, RP, ROP, PO, PP chondrules with maximum diameter 1000 µm, chondrule fragments and mineral clasts set in a recrystallized matrix. Main phases are olivine, pyroxene and feldspar. Minor phases are Fe,Ni iron, troilite, chromite, Fe,Ni hydroxides. Olivine shows weak undulatory extinction.
Geochemistry
: Mineral compositions and geochemistry: Olivine Fa
17.4±0.7
(N=13); Pyroxene Fs
15.7±0.5
Wo
0.9±0.2
(N=10).
Classification
: Based on texture and mineral compositions the meteorite is classified as H5 ordinary chondrite (S2; W3)
Specimens
: Cut piece of 7700 g, and thin polished section are on deposit at
Vernad
. Mr. Kazakov holds the main mass.
Data from:
MB110
Table 0
Line 0:
State/Prov/County:
Respublika Sakha(Yakutiya)
Origin or pseudonym:
Namsky Ulus
Date:
31 Oct 2020
Latitude:
62°38.8'N
Longitude:
129°42.8'E
Mass (g):
57000
Pieces:
1
Class:
H5
Shock stage:
S2
Weathering grade:
W3
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