Seymchan Pallasite Meteorite Slab (185.2 grams)
The pallasites are a class of stony–iron meteorite. 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).
Class: Stony–iron meteorite
From: Omolon, Magadan District, Russia
Size: 4 x 4.5 x .6 inches
Weight: 185.2 grams