Colchicum

by | Mar 12, 2018 | Colchicum

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A "Metal Skeleton"

Imilac is a pallasite meteorite found in the Atacama Desert of Northern Chile in 1822.

Classification

Imilac is classified as a stony–iron pallasite. Imilac specimens are highly prized by meteorite collectors due to its high concentration of beautiful olivine grains.

Strewn field

Numerous masses were found in a valley to the SW of Imilac. The total weight of the Imilac fall is estimated to be around 1,000 kilograms (2,200 lb). The primary strewn field is long about 8 kilometres (5.0 mi).[2]

Specimens

Individual

Due to weathering, intact olivine grains are present only on large specimens (over 1 kilogram (2.2 lb)). Smaller samples contain darker altered olivine crystals. On the market there are also a lot of very small (few grams) Imilac individuals called metal skeletons: they are severely weathered and lack olivine grains.

Notes

  1. ^ a b Meteoritical Bulletin Database: Imilac
  2. ^ Pedersen, H., Lindgren, H., & Canut de Bon, C. Strewn-fields of Imilac and Vaca Muerta.

See also

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