Browse Items (485 total)

  • Tags: United States

Actinolite

Dark green mass of radiating columnal aggregates of actinolite crystals in a quartz matrix.

Actinolite

One specimen of green, radiating, columnar, aggregate crystals of actinolite.

Agate

Small, cut and polished piece of a banded light to dark gray and light reddish-brown agate.

Agate, Dendritic

One specimen of light reddish-brown agate with numerous patches of black dendrites.