"WardsSci000478"

Fine, common limestone; massive, and will fizzle with HCl.

White and black bands of quartz, feldspar, and biotite; typical foliation.

Light pink, massive, crystalline, translucent.

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

Gray-to-brown basaltic, with over 50% vesicles.

Pink/gray coarse carbonate rock.

Gray, fine to medium-grained “Berea grit”.

Hematite-cemented quartz; orthoquartzite.

Foliated biotite, coarse, silvery gray with quartz-feldspar bands.

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

Clear rhombs showing double refraction.

Pure, bright yellow, Frasch sulfur.

Massive, chlorite-rich.

Ward's® highest quality and purest mineral offerings.

Epidote (Single crystal), Ward's

Organized, economical survey of fossils.