"VWR"

Economical and compact, this microtube rack comes pre-assmbeled and ready to hold up to twenty-four 1.5–2.0 ml microtubes. Its clearly labeled holes make sample identification easy, while its compact design saves benchspace and makes for easy storage.

PYREX® borosilicate glass.

Deep blue, massive, with nepheline; key feldspathoid.

Crystals and crystal sections up to 1", Mohs’ hardness of 9.

Red, classic oolitic texture.

Perfect for Introductory Lessons on Metamorphic Rocks.

Diverse collecion of organisms.

Choice intergrown crystal groups, many with striated pyritohedral crystal faces. Perfect for classroom study. Average size: 1" x 1". Peru.

Black, Micaceous, glittery metallic.

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.

Formalin preserved sheep brains with dura mater removed. Available in jars or pails. Shipped in nontoxic Wardsafe®.

Set of Nine Thin Sections and Matching Rocks

Ideal for basic, constant voltage applications.

Isolated from human intestine, this organism is known for its distinctive putrefactive odor.

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.