These are
fragments from a Mars meteorite. The cases are
2.25" long, 1.5" wide, and 0.5" thick.
They weigh approximately 7 grams.
Its card reads:
MARS ROCK
A piece of the Mars Meteorite
NWA 4925
(Olivine-Phyric Shergottite)
Product of Mars,
Discovered in Morocco, Packaged in the USA |