Uncommon bag of "JSC-MARS 1" Martian regolith simulant, weighing approximately 250 grams, with inner label reading: "Mars Soil Simulant: The soil of Mars is composed of reddish-brown, windblown dust. Altered volcanic ash from Hawaii closely matches the color and particle size of martian soil. If you were on the surface of Mars, this is how it would look and feel." In fine condition.
