WORLD CLASS! CRATER FORMING EVENT! HISTORIC CANYON DIABLO METEORITE 8706 GMS

Description

WORLD CLASS!!! ONE OF THE BEST!!!
CANYON DIABLO
IRON METEORITE!!!
Remarkable Provenance!!! Huss # H3712
Highest Quality Specimen with many Scoops, Points & Thumbprints!!!
Sensational Shape!!! No Better one Available~~
Gorgeous Natural Patina!!!
Historic Crater Forming Iron Specimen from Arizona!!!
Classification: IAB-MG!!!
Find from 1891!!!
Location:  Canyon Diablo, Arizona!!!
Total Known Weight: 30 Metric Tons!!!
Weight: 8706 Grams or 19.43 lbs!!!
History
The asteroid fell about 50,000 years ago. The meteorites have been known and collected since the mid-19th century and were known and used by pre-historic
Native Americans
. The Barringer Crater, from the late 19th to the mid-20th century, was the center of a long dispute over the origin of craters that showed little evidence of volcanism. That debate was settled in the 1950s thanks to
Eugene Shoemaker's
study of the crater.
In 1953,
Clair Cameron Patterson
measured ratios of the
lead isotopes
in samples of the meteorite. The result permitted a refinement of the estimate of the
age of the Earth
to 4.550 billion years (± 70 million years).
Composition and classification
This meteorite is an iron
octahedrite
. Minerals reported from the meteorite include:
Cohenite
- iron carbide
Chromite
- iron magnesium chromium oxide
Daubréelite
- iron(II) chromium sulfide
Diamond
and
lonsdaleite
- carbon
Graphite
- carbon
Haxonite
- iron nickel carbide
Kamacite
iron nickel alloy - the most common component.
base metal
sulfides
Schreibersite
- iron nickel phosphide
Taenite
iron nickel alloy
Troilite
a variety of the iron sulfide mineral pyrrhotite. The troilite in this sample is used as the standard reference for sulfur isotope ratios.
Moissanite
- a variety of silicon carbide, the second hardest natural mineral.
Samples may contain troilite-graphite nodules with metal veins and small diamonds.
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