Each purchase comes with a gem jar containing
extraterrestrial olivine peridot crystals and a specimen identification card. The
gem jar measures 1" across and contains 0.30 grams of olivine crystals.
The photo showing the glass jar is included to show the
information card that will be included with this sale. The large jar full is
for another listing and is a larger quantity. If you're interested in an entire
glass jar, please see our other listings for that.
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Hi there, I am selling this amazing gem jar of olivine crystals from an Admire Pallasite Meteorite! These are 100% authentic crystals from space! These gem jars are perfect for display. Each gem jar will include a specimen card, including my IMCA membership number, guaranteeing the authenticity of your purchase. Please look below for more information about the IMCA. Meteorites are one of the RAREST materials on earth, more rare than diamonds!!!! Pallasite meteorites are especially rare! This meteorite fell in the Kansas. This is one of the most prized possessions I have and I know it would make an AMAZING addition to any collection of ANY type, but especially of meteorites and stones! Don't let this one pass you by. Anyway, I am offering it here, now, for you. If you have any questions, do not hesitate to ask me.
If you purchase from me you should know that the
authenticity of this meteorite is guaranteed!
I am a member of the IMCA or the International Meteorite
Collector's Association. This is an organization that is a check and balance of
those who collect, trade and sell meteorites. You can only join this
organization by having the utmost integrity. You must to have two references
from existing members to get in and a good reputation. Members of this
organization maintain a high standard by monitoring each others' activities for
accuracy and honesty. It is every IMCA member's responsibility and pleasure to
offer help and assistance to fellow members in order to ensure specimens are
genuine. It is not wise to purchase meteorites on Ebay or other sources from
those who are not IMCA members. This is a very tight-knit community made up of
meteorite hunters, dealers, collectors, and scientists who look out for each
other to make sure that the meteorites offered to the public are authentic and
genuine. I encourage you to visit the IMCA website and get more information on
what being a member means, and how your purchases from its members are
guaranteed.
IMCA Member #7446
Below is some information about this meteorite:
Pallasite
From Wikipedia, the free encyclopedia
Pallasite
Type Stony-iron
Subgroups
Main group Eagle Station grouplet Pyroxene Pallasite
grouplet Ungrouped Pallasites
Composition Meteoric
iron, Silicates
Total known specimens 49
Main group, 4 Eagle Station, 2 Pyroxene grouplet, 38 ungrouped (93 total)
The pallasites are a class of stony–iron meteorite.
Contents [hide]
1 Structure
and composition
2 Classification
and subgroups
3 Origin
4 History
5 Pallasite
falls
6 Notable
pallasite finds
7 Notes
8 References
9 See also
10 External
links
Structure and composition[edit]
It consists of centimeter-sized olivine crystals of peridot
quality in an iron-nickel matrix. Coarser metal areas develop Widmanstätten
patterns upon etching. Minor constituents are schreibersite, troilite,
chromite, pyroxenes, and phosphates (whitlockite, stanfieldite, farringtonite,
and merrillite).[1][2]
Classification and subgroups[edit]
Eagle Station, ES group
Using the oxygen isotopic composition, meteoric iron
composition and silicate composition pallasites are divided into 4
subgroups:[3][4]
Main group pallasites (PMG): Almost all pallasites
Eagle Station grouplet (PES): 4 specimens known. They are
related to IIF irons.
Pyroxene Pallasite grouplet (PPX): Counts only Vermillion
and Yamato 8451. They take their name from the high orthopyroxene content
(about 5%). Metal matrix shows a fine octahedrite Widmanstätten pattern.
Pallasite ungrouped (P-ung): Specimens that don't fit into
any groups or grouplets
Origin[edit]
Pallasites were once thought to originate at the core-mantle
boundary of differentiated asteroids that were subsequently shattered through
impacts. An alternative recent hypothesis is that they are impact-generated
mixtures of core and mantle materials.[5]
History[edit]
Krasnojarsk meteorite
A common error is to associate their name with the asteroid
2 Pallas but their actual name is after the German naturalist Peter Pallas
(1741–1811), who studied in 1772 a specimen found earlier near Krasnoyarsk in
the mountains of Siberia that had a mass of 680 kilograms (1,500 lb).[a] The
Krasnoyarsk mass described by Pallas in 1776 was one of the examples used by
E.F.F. Chladni in the 1790s to demonstrate the reality of meteorite falls on
the Earth, which were at his time considered by most scientists as fairytales.
This rock mass was dissimilar to all rocks or ores found in this area (and the
large piece could not have been accidentally transported to the find site), but
its content of native metal was similar to other finds known from completely
different areas.[6][7]
Pallasite falls[edit]
Pallasites are a rare type of meteorite. Only 61 are known
to date, including 10 from Antarctica, with four being observed falls.[8][9]
The following four falls are in chronological order:
Mineo, Sicily, Italy. A luminous meteor was observed and an
object seen to fall with a loud roar in May 1826. Only 46 grams (1.6 oz) are
preserved in collections.
Zaisho, Japan. 330 g were found on February 1, 1898,[10]
after the appearance of a fireball.
Marjalahti, Karelia, Russia. After the appearance of a
bright meteor and detonations, a large mass was seen to fall and 45 kilograms
(99 lb) were recovered in June 1902. At this date the fall site belonged to
Finland, and the main mass of Marjalahti is now at the Geological Museum of the
University of Helsinki.
Omolon, Magadan Region, Russia. A reindeer-breeder observed
the fall on May 16, 1981, and found the 250 kilograms (550 lb) meteorite two
years later. The fall was confirmed by a meteorological station that had
observed a fireball on the same date.
Notable pallasite finds[edit]
Brenham
Imilac full slice
Although pallasites are a rare meteorite type, enough
pallasite material is found in museums and meteorite collections and is
available for research. This is due to large finds, some of which yielded more
than a metric ton. The following are the largest finds:
Brenham, Kansas, United States. In 1890 the find of about 20
masses with a total weight of 1,000 kilograms (2,200 lb) around the shallow
Haviland Crater were reported. More masses were found later, including one of
454 kilograms (1,001 lb) from a depth of 5 feet (1.5 m), the total amounting to
about 4.3 tonnes (4.2 long tons; 4.7 short tons). A piece of 487 kilograms
(1,074 lb) is in the Field Museum of Natural History, Chicago. In 2005, Steve
Arnold of Arkansas, USA, and Phil Mani of Texas, USA, unearthed a large mass of
650 kilograms (1,430 lb) and in 2006 several new large masses [11][12]
Huckitta, Northern Territory, Australia. A mass of 1,400
kilograms (3,100 lb) was found in 1937 on a cattle station north-east of Alice
Springs. Earlier, in 1924, a transported piece of about 1 kilogram (2.2 lb) had
been found on Burt Plain north of Alice Springs.
Fukang, Xinjiang Province, China. A mass of 1,003 kilograms
(2,211 lb) was recovered in 2000.
Imilac, Atacama Desert, Chile; known since 1822. Numerous
masses up to 200 kilograms (440 lb) were found, the total weight is about 920
kg.
Brahin, Gomel Region, Belarus, known since 1810. Many masses
were found strewn in a field, with a total weight of about 820 kg. An
additional mass of 227 kg was found at a depth of 10 feet (3.0 m) in 2002.
Esquel, Chubut, Argentina. A large mass of 755 kg was found
embedded in soil before 1951.
Pallasovka, Pallasovka, Russia. A single mass of 198 kg was
found near Pallasovka, Russia in 1990. Coincidentally, both the town of
Pallasovka and pallasite meteorites were named after the naturalist, Peter
Pallas.
Krasnojarsk, Yeniseisk, Russia. A mass of about 700 kg was
detected in 1749 about 145 miles (233 km) south of Krasnojarsk.[13] It was seen
by P. S. Pallas in 1772 and transported to Krasnojarsk (see above). The main
mass of 515 kg is now in Moscow at the Academy of Sciences. Pallasites are
named after Peter Pallas for his study of this meteorite.
Seymchan, discovered near the town by the same name, in far
eastern Russia in 1967. This main group Pallasite has some areas free of
olivine crystals, and may have formed near the junction of the core and the
mantle of an asteroid. Multiple masses in excess of 1 tonne have been
recovered.