"micro tube racks"

Pyrite (Cubic), Ward's

Essential for teaching mineralogy and atomic structure.

Give your students a piece of outerspace.

This economic collectors' set features eight different genuine meteorites and impactities.

This economic collectors set features 12 different genuine meteorites and impactities.

Feldspar group; white to gray, sodium plagioclase cleavages; some faces may show twinning.