"SILICO & chemical PORCELAIN SE"

This collection with rock types and associations with the North American continent contains 100 specimens with each group represented: igneous, metamorphic, and sedimentary. Specimens are approximately 1"" x 1"", number-coded in compartmented container.

Distinctive cut and polished geode halves with agate rims and drusy crystal linings. Average size: 1 1/2–2" diameter. Utah.

Choice, well-prepped specimens of this distinctive "high-domed" fossil echinoid. Complete and detailed samples. Average size, 1 1/2"to 2" in diameter. Germany.

Choice yellow-brown, globular to botryoidal crystal groups of this lead arsenate mineral. A secondary mineral in lead deposits forming a series with pyromorphite and vanadinite. Average size: 1" x 1" to 1 1/2" x 1 1/2". Mexico.

The Plant Kingdom Riker Mount Collection is a beautiful, concise display of major divisions.

Microscopy tool to estimate size and counts.

Sale

Perfect for classroom reference.

Riker mount of invasive species for display.

Compare morphology among species.

Accompanying Diagrams Detail Growth Rings

Learn Plant Morphology by Studying Stem Morphology

Riker mount of commerical grains for display.

Bring a pond inside your classroom. This comprehensive collection features a variety of organisms commonly found in a freshwater pond. Using the variety of specimens in this single jar, your students can discover the fascinating diversity of life that exists in a typical small body of water.
Includes algae, Protozoa, Hydra, Planaria, Daphnia and other common organisms.

Riker mount of egg replicas for display.

Full skeleton in a curled position. From a mammal-like group known as cynodonts. In relief on a 7×8¹/₄" slab. Resin. South Africa.

Ideal tool for aquatic ecosystem studies. Collect periphyton samples with ease using this specialized sampler, perfect for water quality and aquatic ecosystem studies.