"The Mystery of Lyle and Louise"

Chlorite-bearing.

Lustrous, black 'hard coal'.

Shiny black volcanic glass showing conchoidal fracture and some spherulites.

Brownish black, intermediate stage between peat and bituminous coal.

Examine how a microscope works.

Heavy metal rods with threaded ends that screw into retort bases.

Bulk hole plates to expand your TeacherGeek collection

Specially prepared sediment mixes for use with stream tables.

Students Assemble Their Own Spatial 3-dimensional Models.

The perfect hand-saving tool for inserting glass tubing into stoppers!

Explore dendrochronology.

Explore the role Of respiratory system in regulation of blood gases.

Glass rods with one spade end and one button end for stirring, scooping, and crushing.

Keep nails neat and clean.

Ideal for handling small amounts of material in the lab and field.

Red, earthy, in natural chunk form; common pigment ore.