"Ward's® Thermochemistry In The Bag Inquiry Demonstration Activities"

Give Your Students a Lesson in Economics as Well as Geology

Ward's® highest quality and purest mineral offerings.

Gemmy, sherry-colored crystals and sections approximately 3/8– 1/2"

Feldspar group; greenish gray alkali feldspar, coarse crystalline, some iridescence.

Brazil.

Brown, earthy, massive; used for yellow pigment.

Black, high grade, foliated, greasy feel.

Clear to yellow translucent.

When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.

Our excellent series of standard thin sections features important and interesting rock-forming mineral types most often found in field samples.