"VWR"

Selaginella lepidophylla. Find out how plants survive desert conditions; this plant’s curled, dried, gray-brown fronds unfurl and turn green when placed in water. It is found in desert regions of the South and Southwest United States, and Central America. It is supplied in a plastic bag and comes with care instructions. Size: approximately 3".

Obsidian is hard black colored, volcanic glass.

Massive sedimentary gypsum with a moh's hardness 2..

Gray, fine, friable, with abundant small sanidine crystal fragments.

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.

Pure, white, earthy “China clay”.

Cleaned, pure, bright, metallic native copper.

Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward's® PURE Preserved Specimens - the best dissection experience from start to finish.

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.

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.

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.

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.

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.

Designed for Introductory College Petrography Labs

Boreal Crayfish dissection labs are an inexpensive and convenient way to bring dissection into your curriculum.